A lawyer in Turkey advising an individual who is contemplating a move to Turkey now works from a complete legal framework rather than a bare statute. On 4 June 2026, Law No. 7582 was published in the Official Gazette No. 33270 and, among a wider package of tax changes, inserted Mükerrer Article 20/D into the Income Tax Law (Law No. 193). On 4 July 2026, the Ministry of Treasury and Finance published Income Tax General Communiqué No. 333 in the Official Gazette No. 33300, setting out the procedure for claiming the exemption, including a formal Exemption Certificate that must be obtained from the tax office within a fixed deadline. In September 2026 the Revenue Administration followed with an official guide and infographic. In plain terms, an individual who becomes a Turkish tax resident, and who in the three calendar years before becoming resident had neither a domicile nor a tax liability in Turkey, may keep twenty years of foreign-source income outside the Turkish income tax base, provided the certificate is applied for in time. This guide sets out the statute, the Communiqué, and the official examples, and explains how the pieces fit together for a foreign national or a returning Turkish citizen planning a relocation.
What the 20-Year Foreign Income Exemption Says, and What Changed on 4 July 2026
An Istanbul Law Firm reading Mükerrer Article 20/D for a client starts with the operative sentence of the statute, because everything else follows from it. A natural person who is treated as resident in Turkey, and who in the three calendar years before being so treated had no domicile in Turkey and no tax liability in Turkey, is exempt from income tax on income and earnings derived outside Turkey for twenty years. The second paragraph of the Article preserves eligibility for a person who, before entering the regime, had a Turkish liability only because of rental income from immovable property, income from movable capital, or a capital gain. The third paragraph provides that no annual return is filed for the exempt income and that the exempt income is not included in any return filed for other income. The fourth and fifth paragraphs provide that the expenses and costs of the exempt income are not deductible against taxable income, and that foreign taxes paid on the exempt income are not credited against Turkish income tax. The sixth paragraph provides that where the conditions are later found not to have been met, the tax that was not assessed is treated as lost revenue.
A Turkish Law Firm then turns to what the Communiqué added, because the statute alone did not tell a client how to claim the exemption. Communiqué No. 333 did four things that matter in practice. It confirmed that the exemption is available to persons who become Turkish tax residents on or after 1 January 2026, and that the person must already be resident on the date of application. It created the Exemption Certificate, formally titled the Certificate of Exemption for Income and Earnings Derived from Abroad, which is issued by the competent tax office on the taxpayer's petition and is the document that evidences entitlement. It fixed a deadline for that application, which is the end of the calendar year in which the person becomes resident, extended to the end of February of the following year for a person who becomes resident in November or December. And it set out, in thirteen worked examples, how the tax office will apply the three-year test, the passive-income carve-out, the scope of exempt income, and the consequences of a condition failing. The Communiqué entered into force on publication on 4 July 2026.
An English speaking lawyer in Turkey also notes the Revenue Administration's own guide, published in September 2026 as Publication No. 616 under the title Yurt Dışından Elde Edilen Kazanç ve İratlarda Vergi İstisnası Rehberi, with an accompanying infographic. The guide restates the Communiqué in question-and-answer form and reproduces its examples in tabular layout; it introduces no new rule, but it is the administration's own plain-language statement of how the regime works and is a useful reference for a client who wants to see the official position in the administration's words. Where this guide refers to the official examples, it refers to the Communiqué and the Revenue Administration guide, both of which are public documents. Practice may vary by authority and year, and the Communiqué and guide are the current reference points.
Turkish Tax Residency: The Gateway Most Guides Skip
Turkish lawyers who handle inbound relocation treat residency as the first question, because the exemption attaches only to a person who is treated as resident in Turkey, and the Communiqué makes residency at the date of application an express condition. Under Article 4 of the Income Tax Law, a person is treated as resident in Turkey in two situations: where the person's domicile, in the sense of the Civil Code, is in Turkey; or where the person stays in Turkey continuously for more than six months within a calendar year, with temporary absences not interrupting the period. The Revenue Administration guide repeats this test in exactly those terms. Article 5 of the Income Tax Law then carves out certain foreigners who are not treated as resident despite a stay of more than six months, including persons present in Turkey for a defined temporary purpose such as a specific assignment, education, medical treatment, or rest, and persons detained in Turkey for reasons beyond their control. A client whose stay falls within Article 5 is not resident and therefore cannot claim the exemption, and the analysis of which limb applies is the first piece of work on any file.
A lawyer in Turkey distinguishes carefully between the two routes to residency because they produce different evidence and different timing. A person who establishes a Turkish domicile, typically by taking up a home in Turkey with the intention of settling, is resident from the point at which the domicile is established, and the evidence is the residence registration, the lease or title to the home, and the pattern of life that shows Turkey has become the centre of the person's affairs. A person who does not establish a domicile but spends more than six continuous months in Turkey in a calendar year is resident by presence, and the evidence is the entry and exit record. The Communiqué's examples state a precise date on which each person is treated as resident, such as 12 July 2026 or 2 March 2028, and the deadline for the Exemption Certificate runs from that date, so a client needs a defensible answer to the question of when residency began rather than a general sense of having moved.
An Istanbul Law Firm also flags the consequence for a person who is not resident at all, because the Communiqué addresses it directly. Under the general rule in Article 3 of the Income Tax Law, only persons resident in Turkey are taxed on their worldwide income; a non-resident is taxed only on Turkish-source income. The Communiqué's Example 13 describes a person domiciled in the United Arab Emirates who is not resident in Turkey and who transfers 100,000 US dollars from abroad into a Turkish bank account together with 50,000 euro of rental income from a property in France. The transfer and the foreign rental income are not taxable in Turkey, because the person is not resident. The point of the example is that a non-resident does not need Article 20/D at all; the exemption is a benefit for someone who chooses to become resident and would otherwise be taxed on worldwide income. A client who intends to spend only part of the year in Turkey should first establish whether residency arises before planning around a regime designed for residents. Practice may vary by authority and year, and the residency analysis should be confirmed against the facts of the individual case.
Who Qualifies: The Three-Calendar-Year Test in Practice
A Turkish Law Firm explains the look-back as the condition on which most eligibility questions turn. The test is whether, in the three calendar years immediately before the year in which the person becomes resident, the person had a domicile in Turkey or a tax liability in Turkey. Both are disqualifying; either alone is enough. The Communiqué measures the period in calendar years, not in months counted back from the arrival date, so a person who becomes resident at any point in 2026 is tested on 2023, 2024 and 2025 in their entirety. The tax office checks both limbs against its own records of residence registration and taxpayer registration when it processes the certificate application, and Article 4 of the Communiqué directs it to verify the absence of domicile, the absence of liability, the fact of present residency, and the timeliness of the application before issuing the certificate.
An English speaking lawyer in Turkey uses the Communiqué's own examples to show where the line falls, because they are the administration's statement of how it will decide. Example 4 concerns a person who had a Turkish domicile in 2022, left Turkey on 10 November 2024, and moved the domicile back to Turkey in 2027, applying for the certificate on 9 November 2027. The application was in time, but the look-back years were 2024, 2025 and 2026, and the person had a Turkish domicile in 2024. The certificate is refused. The lesson for a returning Turkish citizen is that the three clean years are counted strictly: a departure in late 2024 does not produce eligibility until the person becomes resident in 2028 at the earliest, because 2025, 2026 and 2027 would then be the look-back years. Example 7 concerns a person who had a Turkish liability for commercial income from 1 January 2026 and became resident on 15 September 2028. The look-back years 2025, 2026 and 2027 include 2026, in which the commercial liability existed, and the certificate is refused.
A lawyer in Turkey draws particular attention to Example 6, because it defeats a common assumption. The person became resident on 23 July 2028 and had, in 2026, earned employment income from a single Turkish employer subject to withholding. Many clients assume that wages taxed at source and never declared do not create a liability. The Communiqué says otherwise: the person is refused the certificate because employment income was earned in Turkey within the three look-back years. The statutory carve-out protects only three categories of prior Turkish income, namely rental income from immovable property, income from movable capital, and capital gains, and employment income is not among them. A foreign national who worked in Turkey on a local contract in any of the three preceding years is therefore disqualified, however the tax was collected. By contrast, Example 3 shows that activity started after residency does not matter for the look-back: a person who became resident on 12 May 2028 and began a retail clothing business in Turkey on 30 October 2028 still obtains the certificate, because the look-back years 2025 to 2027 were clean. The business income itself is Turkish-source and taxable, but it does not undo eligibility. Practice may vary by authority and year, and a borderline history should be analysed against these examples before any application is made.
The Exemption Certificate: Application, Deadline, and the Tax Office's Checks
An Istanbul Law Firm treats the Exemption Certificate as the procedural heart of the regime, because without it the exemption cannot be claimed. Article 3(4) of Communiqué No. 333 requires a person who wishes to benefit to apply to the tax office competent to assess them and obtain the certificate set out in Annex 1 of the Communiqué, titled the Certificate of Exemption for Income and Earnings Derived from Abroad. The certificate itself, as published in Annex 1, is a formal letter issued by the tax office directorate on the letterhead of the Ministry of Treasury and Finance, addressed to the applicant and referring to the applicant's dated petition. It recites the statutory rule, confirms that the certificate is issued under the Communiqué so that the holder may benefit from the exemption, and then states, in terms, that if circumstances contrary to those set out in the petition are found or later come to light, the applicant is personally liable for the tax lost together with the associated penalties, interest and surcharges. The certificate is therefore an entitlement document and a liability document at once: it records that the tax office accepted the applicant's statements, and it fixes the applicant with responsibility for their accuracy.
A Turkish Law Firm is exact about the deadline, because the Communiqué makes timeliness a condition of issue and Example 2 shows a late applicant losing the exemption outright. The application must be made by the end of the calendar year in which the person becomes resident. For a person who becomes resident in the last two months of a calendar year, the deadline is extended to the end of the second month of the following year, that is, the end of February. The Revenue Administration guide illustrates both limbs with the same taxpayer: a person resident from 12 July 2026 who applies on 1 December 2026 is in time, and a person resident from 2 November 2026 who applies on 22 February 2027 is also in time, because the November residency triggers the February extension. Example 2 is the cautionary case: a person resident from 2 March 2028 who applied on 1 May 2030 had three clean look-back years and satisfied every substantive condition, but had not applied by the end of 2028, and the certificate is refused on timing alone. There is no provision in the Communiqué for a late application, for an extension on cause shown, or for a retrospective certificate covering the first year, and a client who misses the deadline should assume the exemption is lost for the relevant period unless and until the administration says otherwise.
An English speaking lawyer in Turkey then describes what the tax office does with the application, because Article 4 of the Communiqué sets it out and the Revenue Administration guide repeats it as a three-point check. The office verifies whether the applicant is treated as resident in Turkey, whether the applicant had a domicile or a tax liability in Turkey in the three preceding calendar years, and whether the application was made within the deadline. Where all three are satisfied, the certificate is issued. The Communiqué does not prescribe the supporting documents the applicant must attach to the petition, and in our filings the practical approach is to anticipate the three checks: evidence of present residency, such as the residence permit and address registration or the entry and exit record showing the six-month presence; evidence that no Turkish domicile existed in the look-back years, such as foreign residence certificates and foreign tax residency confirmations for each of the three years; and a clear statement of any prior Turkish liability, with the supporting filings, so that the office can see that it fell within the protected passive categories. The tax office checks its own registers for domicile and liability, but the applicant's petition is the document the certificate refers back to, and an accurate, complete petition is the applicant's protection if questions arise later. Practice may vary by authority and year, and the documentary expectations of an individual tax office should be confirmed at the time of filing.
Scope of the Exemption: Which Foreign Income Is Covered
A lawyer in Turkey defines the scope of the exemption by its source rule, because the statute exempts income and earnings derived outside Turkey and nothing else. Article 3(7) of the Communiqué states the principle in both directions: only foreign-source income is exempt, and income derived in Turkey remains fully taxable in the hands of a certificate holder, whose Turkish tax obligations for Turkish-source income continue unchanged. The regime does not convert a resident into a non-resident; it carves foreign-source income out of a resident's worldwide base and leaves everything else in place. A client who expects the certificate to shelter a Turkish rental property, a Turkish dividend, or a Turkish business is mistaken, and the Communiqué's examples are built to correct exactly that expectation.
An Istanbul Law Firm walks through the official examples because they show the administration's own classification. Example 9 concerns a certificate holder who earns rental income from a property in Turkey; that income is Turkish-source and is not exempt. Example 10 concerns a certificate holder who works as an engineer in Turkey and provides consultancy from Turkey to clients resident abroad on their Turkish investments; the professional income is treated as derived in Turkey, because the service is performed in Turkey, and it is not exempt even though the clients are foreign. Example 11, reproduced in tabular form in the Revenue Administration guide, concerns a certificate holder with four income streams in 2026: rental income of 600,000 lira from an Istanbul property, a dividend of 500,000 lira from a Turkish resident company, a dividend from a company resident in Spain, and rental income from a property in Monaco. The Istanbul rent and the Turkish dividend are Turkish-source and taxable, to be declared where the ordinary thresholds require a return; the Spanish dividend and the Monaco rent are foreign-source and exempt, with no return filed for them and no inclusion of them in the return filed for the Turkish income. Example 8 makes the same point for a certificate holder with Turkish rental and investment income and foreign rental income: the foreign rent stays out of the Turkish return entirely.
A Turkish Law Firm draws the practical boundary that Example 10 implies, because it is the one most likely to catch a mobile professional. The place where a service is performed determines its source. A consultant, developer, designer, or adviser who sits in Turkey and performs work for foreign clients is earning Turkish-source professional income, and the exemption does not reach it, regardless of where the client sits or where the fee is paid. Foreign dividends, foreign interest, foreign rental income, gains on foreign assets, and pensions or employment income connected to activity carried on outside Turkey fall on the exempt side. Income from a foreign company that the client controls is foreign-source if it is a dividend from that company, but the position is different if the client is in substance carrying on the company's business from Turkey, and that distinction deserves specific analysis in any case where the client intends to keep working after the move. Practice may vary by authority and year, and the classification of a particular income stream should be confirmed against the Communiqué's examples and the general source rules before it is treated as exempt.
The No-Credit Rule, No Deduction of Costs, and Why It Reshapes Cross-Border Planning
An English speaking lawyer in Turkey emphasises two mechanical rules of the regime, because they change the arithmetic of a relocation in ways a headline does not convey. Under Article 3(8) and (9) of the Communiqué, the expenses and costs relating to exempt income are not deductible in computing taxable Turkish income, and foreign taxes paid on exempt income are not credited against Turkish income tax. The second rule is the more consequential. In an ordinary worldwide-taxation regime, a resident who pays tax at source on a foreign dividend credits that foreign tax against the Turkish tax on the same dividend, so that the total burden tends toward the higher of the two rates. Under Article 20/D there is no Turkish tax on the foreign dividend, and therefore nothing against which the foreign tax could be credited. The foreign tax paid at source is a final cost, and the exemption's value to the client is exactly the Turkish tax that would otherwise have been charged, net of nothing.
An Istanbul Law Firm connects the no-credit rule to the broader question of where foreign income should be sourced and held. For a client with discretion over how foreign holdings are structured, the analysis favors arrangements that reduce source-country taxation, because every unit of foreign tax avoided at source is a unit of net benefit that the Turkish exemption then protects, while every unit of foreign tax paid at source is permanently sunk. Where the client also wishes to bring existing foreign wealth into the Turkish system, the 2026 wealth amnesty offers a separate, audit-protected route to regularize that stock of assets. This is not an invitation to aggressive source-country planning, which carries its own risks and must respect the rules of the source jurisdiction; it is a recognition that, once resident under Article 20/D, the client's tax efficiency is determined almost entirely by what happens in the source countries, because the Turkish side is, by design, neutral. Counsel coordinating with advisers in the source countries can map this before the move and avoid leaving foreign tax on the table that could lawfully have been reduced.
Turkish lawyers who model these cases also explain the no-deduction rule, which is less dramatic but still relevant. A certificate holder who incurs costs in earning exempt foreign income, such as management fees on a foreign portfolio or maintenance on a foreign rental property, cannot set those costs against Turkish-source income that remains taxable. The exempt income and its costs sit in a sealed compartment. For most clients this is a modest point, but for a client with substantial Turkish-source income and substantial costs on the foreign side, it closes a door that might otherwise have been assumed open. The Communiqué is explicit on both rules and leaves no room for an alternative reading. Practice may vary by authority and year, and the treatment of a specific cost should be confirmed against the Communiqué before it is taken into account.
How Double Taxation Treaties Interact With the Exemption
A lawyer in Turkey is asked almost immediately how the exemption sits with Turkey's network of double taxation treaties, because the client's foreign income is usually taxed somewhere else first. The short answer is that the treaties continue to operate on the source side, and the exemption operates on the Turkish side, and the two do not conflict. A person resident in Turkey under Article 4 is, in principle, a resident of Turkey for treaty purposes, and can obtain a Turkish certificate of tax residence, the mukimlik belgesi, from the Revenue Administration. With that certificate, the person may claim treaty benefits in the source country, such as a reduced withholding rate on dividends or interest. The source country then taxes at the treaty rate, Turkey exempts under Article 20/D, and the client's total burden on that income is the treaty rate alone.
A Turkish Law Firm flags the point at which the analysis becomes delicate. Some treaties contain provisions that condition a benefit on the income being taxed in the residence state, or that permit the source state to withhold relief where the residence state does not tax the income. Whether such a clause applies, and how the source country's administration reads it in the context of a residence-state exemption rather than a residence-state remittance rule, is a question of the specific treaty and the specific source country, and it cannot be answered in general. In our practice we read the treaty with the client's principal source country before relying on reduced withholding, and we coordinate with counsel in that country where the treaty text raises the question. The Turkish side is clear: the exemption is a domestic exemption, the person remains a Turkish resident, and the Revenue Administration's practice on issuing residence certificates is not altered by Article 20/D. The source side is where the client's adviser in that country must be engaged.
An English speaking lawyer in Turkey also addresses the opposite situation, in which the client leaves Turkey after obtaining the certificate. Article 6 of the Communiqué states that a person who obtained the certificate but later ceases to be a Turkish resident falls back under the general rule in Article 3 of the Income Tax Law: as a non-resident, the person is taxed in Turkey only on Turkish-source income, and foreign-source income is simply outside the Turkish net without any need for the exemption. The exemption does not create a continuing Turkish connection after departure, and it does not impose an exit charge. The practical consequence is that the twenty-year period is a maximum, not a commitment: a client who leaves after five years has used five years of exemption and owes nothing for leaving. The departure does, however, start a new three-year clock if the client ever wishes to return under the regime, because the years of Turkish residence will then count against the look-back. Practice may vary by authority and year, and the treaty position for a particular source country should be confirmed with counsel in that country.
The 1% Inheritance Tax: An Overlooked Companion Benefit
A Turkish Law Firm should not let the inheritance dimension of Law No. 7582 pass unremarked, because for wealthier clients it can rival the income exemption in importance. Article 2 of Law No. 7582 amended Article 16 of the Inheritance and Transfer Tax Law (Law No. 7338) to provide that, for persons who benefit from the income tax exemption under Article 20/D, transfers by inheritance occurring within the exemption period are taxed at a rate of one percent. The Revenue Administration guide confirms the rule in its final question: for beneficiaries of the foreign-income exemption, inheritance transfers that take place within the twenty-year exemption period are taxed at one percent. Turkey's standard inheritance tax is progressive and can reach ten percent on larger estates, so a fixed one percent rate during the exemption window is a substantial reduction, not a marginal adjustment. For a client whose estate planning was a reason to consider relocation, this companion benefit may be decisive.
An Istanbul Law Firm reads the conditions of the one percent rate with care, because they follow the income exemption rather than standing alone. The rate applies to a person who benefits from the Article 20/D exemption, which in practice means a person who holds a valid Exemption Certificate, and it applies to transfers by inheritance that occur within the twenty-year period of that exemption. A transfer by gift during life is not within the amendment's wording, which refers to transfers by way of inheritance, and the ordinary rules apply to gifts. The rate attaches to the inheritance transfer as such; whether a particular asset falls within the Turkish inheritance tax net at all depends on the location of the asset and the residence and nationality of the deceased and the heir under the general rules of the Inheritance and Transfer Tax Law, which the amendment does not change. A client should therefore analyse first which assets would be within the Turkish net, and only then apply the one percent rate to those that are.
A lawyer in Turkey places the benefit in a plan rather than treating it as a bonus. A client who relocates under Article 20/D, obtains the certificate, and holds it for the twenty-year period has, during that period, a one percent Turkish inheritance tax environment for transfers that fall within the Turkish net. That is a planning fact that interacts with the client's succession arrangements in the country of origin, with any treaty on inheritance tax that Turkey has with that country, and with the structure in which the client's assets are held. The sequencing matters: the certificate must be in place before the transfer for the rate to apply, and a client who relocates for estate reasons should obtain the certificate promptly rather than treating it as a formality to be dealt with later. Practice may vary by authority and year, and the application of the one percent rate to a particular estate should be confirmed against the Inheritance and Transfer Tax Law and the facts of the succession.
Citizenship by Investment Versus Tax Residency: Two Different Doors
An English speaking lawyer in Turkey is regularly asked whether Turkish citizenship by investment and the twenty-year exemption are the same programme, and they are not. Citizenship by investment is governed by the Turkish Citizenship Law (Law No. 5901) and its implementing regulation, and it confers nationality on a foreign national who makes a qualifying investment, such as a real estate purchase or a capital deposit at the prescribed thresholds. It is a nationality decision and says nothing about tax residency. The twenty-year exemption is governed by the Income Tax Law and Communiqué No. 333, attaches to tax residency rather than nationality, and is available to any natural person who meets the three-year test and obtains the certificate, whether that person is a Turkish citizen, a dual national, or a foreign national on a residence permit. A Turkish citizen who has lived abroad for the required period qualifies on the same footing as a foreign investor.
An Istanbul Law Firm explains how the two doors relate when a client wants both. Acquiring Turkish citizenship by investment does not by itself make a person a Turkish tax resident; a new citizen who continues to live abroad is a non-resident Turkish national, taxed in Turkey only on Turkish-source income, and does not need the exemption. If the new citizen later moves to Turkey and becomes resident, the three-year look-back is tested at that point, and the years of non-residence before the move count toward the three clean years provided there was no Turkish domicile or liability in them. The citizenship investment itself needs care in this analysis: a real estate purchase that produces Turkish rental income creates a Turkish liability for rental income, which is within the protected passive category and does not disqualify, but a purchase that is held through a Turkish company in which the client is active, or an investment that generates employment or commercial income in Turkey, can create a disqualifying liability. The order of steps and the form of the investment should be planned with the look-back in mind.
A Turkish Law Firm sets out the two typical sequences. In the first, the client acquires citizenship by investment while remaining non-resident, holds the investment passively, and relocates to Turkey in a later year once the three clean years are in place; the client then applies for the Exemption Certificate within the deadline of the year of relocation. In the second, the client relocates and becomes resident first, applies for the certificate, and pursues citizenship afterward through a route that does not disturb the exemption. Both sequences work; what does not work is treating citizenship as if it were tax residency, or assuming that the investment made for citizenship is automatically neutral for the look-back. For the firm's treatment of the citizenship route itself, including the investment thresholds and the application procedure, the relevant materials are separate from this guide. Practice may vary by authority and year, and the sequencing should be confirmed against both the Citizenship Law and Communiqué No. 333 before the first step is taken.
Losing the Exemption: Cancellation, Penalty, and the Mistakes That Cause It
A lawyer in Turkey is explicit about the downside, because the Communiqué is. Article 5 of Communiqué No. 333 provides that where a person is found to have benefited from the exemption without meeting its conditions, the tax that was under-assessed on the relevant income is collected by the competent tax office together with a tax loss penalty and default interest. The Revenue Administration guide adds that the Exemption Certificate is cancelled. The Communiqué's Example 12 shows how this operates. A person became resident on 12 May 2026, applied on 1 December 2026, was found to have had no Turkish domicile or liability in 2023, 2024 and 2025, and received the certificate on 1 December 2026. A tax examination in 2027 found that the person had been carrying on an unregistered commercial activity in Turkey and had earned commercial income, and the tax office registered a liability for commercial income for 2025 and 2026 on its own motion. Because a liability should have existed in 2025, within the look-back, the conditions were never met: the certificate is cancelled with effect from 12 May 2026, and the tax not assessed on the undeclared foreign income for the relevant years is collected with a tax loss penalty and default interest.
An Istanbul Law Firm draws out what Example 12 means in practice, because it is the single most important risk disclosure for a client. The certificate is issued on the applicant's petition and on the tax office's check of its registers at the time; it is not a final determination that the conditions were met, and it does not bind the administration if facts later emerge that show a disqualifying domicile or liability in the look-back years. The certificate's own text says as much. A client with any undeclared Turkish activity in the three preceding years, however informal, is exposed: the activity, if later found, is treated as having created a liability in the look-back, the certificate falls away retrospectively, and the entire foreign income that was sheltered becomes taxable with penalty and interest. The penalty regime here is the ordinary tax loss penalty, which is a multiple of the tax, not a nominal fine. The honest answer to a client who asks whether a small undeclared Turkish activity in the past matters is that it matters more under this regime than almost anywhere else in Turkish tax law, because it does not merely attract tax on itself; it unwinds twenty years of exemption.
A Turkish Law Firm lists the recurring mistakes, each of which maps to a Communiqué example. Missing the certificate deadline, as in Example 2, forfeits the exemption on timing alone, and the deadline is the end of the year of residency or, for November and December arrivals, the end of the following February. Counting the look-back in months rather than calendar years, so that a departure in late 2024 is treated as producing eligibility in 2027, fails as in Example 4. Assuming that Turkish wages taxed at source do not count as a liability fails as in Example 6. Assuming that a prior Turkish business registration is cured by closing it before the move fails as in Example 7, because the year of liability is what counts. Assuming that work performed from Turkey for foreign clients is foreign-source fails as in Example 10. Assuming that Turkish rental or dividend income becomes exempt once the certificate is held fails as in Examples 9 and 11. And assuming the certificate is a shield against later findings fails as in Example 12. Each of these is avoidable with a correct analysis before the application, and none is curable afterward. Practice may vary by authority and year, and a client's history should be reviewed against every one of these examples before the petition is filed.
How a Turkish Law Firm Approaches a 20/D Engagement
A Turkish Law Firm structures the engagement in the order the Communiqué implies, beginning with the residency and look-back analysis before anyone talks about moving. The first step is to fix the date on which the client will be, or became, resident under Article 4, because the certificate deadline runs from that date and the look-back years are defined by it. The second step is to reconstruct the three preceding calendar years against both limbs of the test, domicile and liability, with particular attention to any Turkish employment, any Turkish business, any Turkish company in which the client was active, and any Turkish address registration, and to identify any prior Turkish income so that it can be shown to fall within the protected passive categories. The third step is to classify the client's expected income streams as foreign-source or Turkish-source against the Communiqué's examples, so that the client knows before the move what the exemption will and will not cover. Only when those three steps produce a clear answer does the plan proceed to the move itself.
An Istanbul Law Firm then manages the certificate as a deadline-driven filing rather than a formality. We calendar the application deadline from the residency date, prepare the petition with the three checks of Article 4 of the Communiqué in mind, assemble the evidence of present residency and of the clean look-back years including foreign residence and tax confirmations for each year, and file with the competent tax office well before the year end. Where the client arrives in November or December we use the February extension but do not rely on it beyond necessity. We keep the complete file, because the certificate refers back to the petition and the client's protection in any later enquiry is the accuracy and completeness of what was stated. In the years that follow, we confirm that the client's Turkish return, where one is required for Turkish-source income, excludes the exempt foreign income, and we revisit the classification of any new income stream before the client treats it as exempt.
A lawyer in Turkey closes by situating Article 20/D within the firm's wider cross-border practice, because the exemption rarely arrives alone. A client moving to Turkey to use the regime usually also needs residence or citizenship advice, real estate due diligence on a Turkish home, a coherent estate plan that uses the one percent inheritance rate, regularization of existing foreign wealth through the 2026 wealth amnesty, and sometimes a corporate structure for a business that will continue to operate abroad, including establishment in the Istanbul Finance Center where the activity fits. The exemption is the tax spine of a relocation, but the relocation itself is a multi-disciplinary matter, and the value of integrated counsel is that the tax plan, the immigration plan, the property purchase, and the estate plan are designed to fit together rather than pull against each other. That integration is the point of instructing a firm that handles the whole picture rather than a single slice of it. Practice may vary by authority and year, and every element of a relocation plan should be confirmed against the statute, Communiqué No. 333, and the Revenue Administration's current guidance.
Author: Mirkan Topcu is an attorney registered with the Istanbul Bar Association (Istanbul 1st Bar), Bar Registration No: 67874. His practice focuses on cross-border and high-stakes matters where evidence discipline, procedural accuracy, and risk control are decisive, with particular concentration on the twenty-year foreign income exemption under Mükerrer Article 20/D of the Income Tax Law as implemented by Communiqué No. 333, the Exemption Certificate application and its deadline, the three-calendar-year look-back and the passive-income carve-out, the classification of foreign-source and Turkish-source income under the Communiqué's examples, the one percent inheritance rate under Article 16 of the Inheritance and Transfer Tax Law, and the interaction of the regime with double taxation treaties and with Turkish citizenship by investment.
He advises individuals and companies across Immigration and Residency, Real Estate Law, Tax Law, Istanbul Finance Center participation, and cross-border documentation matters where procedural accuracy and evidence discipline are decisive. His practice spans Commercial and Corporate Law, Commercial Contracts, Foreign Investment, Data Protection and Privacy, Intellectual Property, Arbitration and Dispute Resolution, Enforcement and Insolvency, Citizenship and Immigration, Real Estate, International Tax, International Trade, Foreigners Law, Sports Law, Health Law, and Criminal Law.
Education: Istanbul University Faculty of Law (2018); Galatasaray University, LL.M. (2022). LinkedIn: Profile. Istanbul Bar Association: Official website.
Frequently Asked Questions
- What exactly is the 20-year foreign income tax exemption in Turkey? It is a regime introduced by Mükerrer Article 20/D of the Income Tax Law (Law No. 193), inserted by Law No. 7582 published on 4 June 2026 and implemented by Income Tax General Communiqué No. 333 published on 4 July 2026. A natural person who becomes a Turkish tax resident, and who had no Turkish domicile and no Turkish tax liability in the three calendar years before becoming resident, is exempt from Turkish income tax on income derived outside Turkey for twenty years, provided an Exemption Certificate is obtained from the tax office within the deadline.
- What is the Exemption Certificate and is it mandatory? It is the Certificate of Exemption for Income and Earnings Derived from Abroad, set out in Annex 1 of Communiqué No. 333 and issued by the competent tax office on the taxpayer's petition. It is mandatory: the Communiqué requires a person who wishes to benefit from the exemption to apply for and obtain it. The certificate records the tax office's acceptance of the applicant's statements and makes the applicant personally liable for tax, penalty and interest if contrary facts later emerge.
- What is the deadline for applying for the Exemption Certificate? The end of the calendar year in which the person becomes a Turkish tax resident. For a person who becomes resident in November or December, the deadline is extended to the end of February of the following year. The Communiqué's Example 2 shows a person resident from 2 March 2028 who applied on 1 May 2030 being refused the certificate on timing alone despite meeting every substantive condition.
- What does the tax office check before issuing the certificate? Three things, under Article 4 of Communiqué No. 333: whether the applicant is treated as resident in Turkey; whether the applicant had a domicile or a tax liability in Turkey in the three preceding calendar years; and whether the application was made within the deadline. Where all three are satisfied, the certificate is issued.
- Who qualifies for the exemption? Natural persons who become Turkish tax residents on or after 1 January 2026, who are resident on the date of application, and who in the three calendar years before becoming resident had neither a domicile nor a tax liability in Turkey. Corporate taxpayers cannot benefit. The exemption is available to Turkish citizens returning from abroad and to foreign nationals on the same terms.
- How is the three-year test counted? In full calendar years immediately before the year of becoming resident, not in months counted back from the arrival date. A person resident at any point in 2026 is tested on 2023, 2024 and 2025. The Communiqué's Example 4 shows a person who left Turkey in November 2024 and returned in 2027 being refused, because 2024 was within the look-back and the person had a Turkish domicile in that year.
- Does prior Turkish rental or investment income disqualify me? No. The statute and Article 3(5) of the Communiqué preserve eligibility for a person whose prior Turkish liability arose only from rental income from immovable property, income from movable capital, or a capital gain. Example 5 shows a person who had declared Turkish rental income since 2026 obtaining the certificate on becoming resident in 2028.
- Does prior Turkish employment income disqualify me? Yes. Example 6 of the Communiqué shows a person who earned wages from a single Turkish employer, taxed at source, in one of the three look-back years being refused the certificate. Employment income is not within the protected passive categories, and it counts as a liability however the tax was collected.
- Is income from work I do in Turkey for foreign clients exempt? No. Example 10 of the Communiqué concerns a certificate holder working as an engineer in Turkey and advising foreign clients from Turkey; the income is treated as derived in Turkey because the service is performed there, and it is taxable. The exemption covers only income derived outside Turkey.
- Do I file a Turkish tax return for the exempt income? No. Under Article 3(6) of the Communiqué, no annual income tax return is filed for the exempt foreign income, and where a return is filed for other income, the exempt income is not included in it. Example 11 shows a certificate holder declaring Turkish rental and dividend income while leaving a Spanish dividend and Monaco rental income out of the return entirely.
- Can I credit foreign tax paid on the exempt income against Turkish tax? No. Under the statute and Article 3(9) of the Communiqué, foreign taxes paid on exempt income are not credited against Turkish income tax, and under Article 3(8) the costs of earning the exempt income are not deductible against taxable Turkish income. The foreign tax paid at source is a final cost.
- How does the 1% inheritance tax rate work? Law No. 7582 amended Article 16 of the Inheritance and Transfer Tax Law (Law No. 7338) so that, for persons benefiting from the Article 20/D income exemption, inheritance transfers occurring within the twenty-year exemption period are taxed at one percent, against a standard progressive rate that can reach ten percent. The Revenue Administration guide confirms the rule. The reduced rate is tied to income eligibility and to transfers within the exemption window.
- What happens if the conditions are later found not to have been met? Under Article 5 of the Communiqué, the under-assessed tax is collected with a tax loss penalty and default interest, and the Exemption Certificate is cancelled. Example 12 shows a certificate issued in December 2026 being cancelled retrospectively after a 2027 examination found unregistered Turkish commercial activity in 2025 and 2026, with tax, penalty and interest charged on the foreign income that had been sheltered.
- What happens if I leave Turkey after obtaining the certificate? Under Article 6 of the Communiqué, a person who ceases to be a Turkish resident falls back under the general rule in Article 3 of the Income Tax Law and is taxed in Turkey only on Turkish-source income. There is no exit charge and no continuing Turkish claim on foreign income. The twenty-year period is a maximum, not a commitment. Years of Turkish residence will count against the look-back if the person later wishes to return under the regime.
- How does ER&GUN&ER Law Firm assist with a 20/D relocation? We fix the residency date, reconstruct the three look-back years against both the domicile and liability limbs, classify the client's expected income streams against the Communiqué's examples, prepare and file the Exemption Certificate petition with the competent tax office within the deadline, assemble the supporting evidence for each of the three checks, and coordinate the exemption with the client's residence or citizenship route, Turkish property purchase, estate plan including the one percent inheritance rate, and any wealth amnesty declaration. We reconfirm each position against Communiqué No. 333 and the Revenue Administration's current guidance.