Taxpayers in Compliance: 5% Tax Reduction Guide in Turkey

The 5% tax reduction Turkey offers is a major advantage for compliant taxpayers, introduced under the repeated Article 121 of the Income Tax Law in Turkey. With this regulation, income and corporate taxpayers who meet certain conditions can benefit from a 5% reduction on the taxes they are required to pay. The practice, which has been in effect since 2018, still remains valid. This application not only reduces the tax burden but also constitutes an important part of an effective tax planning in Turkey approach.

What is the 5% Tax Reduction in Turkey?

The 5% tax reduction allows for a deduction of 5% of the annual income or corporate tax calculated on the tax return, from the tax payable. In this way, taxpayers can reduce their tax burden and manage their cash flow more efficiently.

Who Can Benefit from the 5% Tax Reduction in Turkey?

The following taxpayers may benefit from the 5% tax reduction, provided that they meet the necessary conditions:

  • Income taxpayers due to commercial, agricultural, or professional activities
  • Corporate taxpayers (excluding financial institutions, banks, insurance, reinsurance, pension companies, and pension investment funds)

Conditions for Benefiting from the Tax Reduction in Turkey

In order to benefit from the reduction, taxpayers must meet the following conditions:

  1. Tax Return Filing: All tax returns for the year to which the reduction applies and the previous two years must have been filed within the legal period (including temporary tax, withholding, VAT, and SCT returns).
  2. Final Assessment: No additional, ex officio, or administrative tax assessments must have been finalized for the relevant year or the previous two years. However, amounts not exceeding 1% of the annual reduction limit are not considered a violation.
  3. Tax Debt: As of the date the return is filed, there must be no overdue tax debts exceeding 1,000 TL, including tax penalties and accessories.
  4. Tax Evasion Offenses: Those who committed acts listed in Article 359 of the Tax Procedure Law (such as issuing/using false documents) in the relevant year or the previous four years cannot benefit from this reduction.
  5. Payment Condition: All taxes accrued up to the date of filing the return must have been paid.

Upper Limit for the 5% Tax Reduction in Turkey

For 2025, the upper limit for the 5% tax reduction is 9,900,000 TL. No reduction can be applied beyond this amount.

5% Tax Reduction Example Calculations in Turkey

Example 1: Taxpayer (A) with Commercial Income + Rental Income

Taxpayer (A) earned 2,500,000 TL commercial income and 750,000 TL rental income in 2025. The lump-sum expense method was chosen for rental income. In addition, 375,000 TL temporary tax and 180,000 TL withholding payments were made during the year. Since the taxpayer is obliged to declare his commercial income along with rental income, he cannot benefit from the 47,000 TL housing rental exemption.

  • Commercial income: 2,500,000 TL
  • Rental income: 750,000 TL
  • Lump-sum expense (15%): 112,500 TL
  • Net rental income (750,000 – 112,500): 637,500 TL
  • Total tax base (commercial + rental): 3,137,500 TL
  • Calculated income tax (2025 tariff): 1,003,125 TL
  • Commercial income ratio (2,500,000 ÷ 3,137,500): 79.68%
  • Tax attributable to commercial income: 799,688 TL
  • 5% tax reduction (799,688 × 5%): 39,984 TL
  • Offsets (temporary + withholding): 555,000 TL
  • Tax payable (1,003,125 – 555,000): 448,125 TL
  • Tax payable after reduction (448,125 – 39,984): 408,141 TL

Example 2: Taxpayer (B) with Self-Employment Income + Interest Income

Taxpayer (B) earned 6,000,000 TL from self-employment (legal practice) and 550,000 TL from interest income (capital investment income) in 2025. During the year, 900,000 TL temporary tax and 750,000 TL withholding tax were paid.

  • Self-employment income: 6,000,000 TL
  • Interest income: 550,000 TL
  • Total tax base: 6,550,000 TL
  • Calculated income tax (2025 tariff): 2,310,000 TL
  • Self-employment ratio (6,000,000 ÷ 6,550,000): 91.60%
  • Tax attributable to self-employment: 2,115,044 TL
  • 5% tax reduction (2,115,044 × 5%): 105,752 TL
  • Offsets (temporary + withholding): 1,650,000 TL
  • Tax payable (2,310,000 – 1,650,000): 660,000 TL
  • Tax payable after reduction (660,000 – 105,752): 554,248 TL

Example 3: Corporate Taxpayer (C Inc.)

(C) Inc. declared 75,000,000 TL of corporate income (from commercial activities) for the 2025 fiscal period. During the year, 18,750,000 TL temporary tax and 45,000,000 TL withholding tax were paid.

  • Corporate income: 75,000,000 TL
  • Calculated corporate tax (25%): 18,750,000 TL
  • 5% tax reduction (18,750,000 × 5%): 937,500 TL
  • Offsets (temporary + withholding): 63,750,000 TL
  • Tax payable (18,750,000 – 63,750,000): 11,250,000 TL
  • Tax payable after reduction (11,250,000 – 937,500): 10,312,500 TL

Frequently Asked Questions About the 5% Tax Reduction in Turkey

1. If the deductible amount exceeds the tax payable, can it be offset?
Yes. The remaining amount can be offset against other taxes within one year following the date the return should have been filed. However, amounts not offset within this period will not be refunded.

2. What happens if the conditions are later found not to be met?
If it is later determined that the conditions were not met, the taxes not paid due to the reduction will be assessed without a tax loss penalty.

3. Do corrective or voluntary returns prevent benefiting from the reduction?
No. Corrective or voluntary returns related to returns filed on time do not prevent benefiting from the reduction. However, the taxes arising from these returns must also be paid on time.

For professional support regarding tax planning in Turkey and the implementation of the 5% tax reduction, you can contact our team.