Turkey's tax audits uncover 354.2 billion lira in first half
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Turkey's tax inspectors identified 354.2 billion lira in tax base discrepancies in the first half of 2026, a 57% increase from the same period last year. The rise was driven by voluntary compliance measures including invitation to explanation, guidance, and supervision programs. Tax inspection findings alone nearly doubled to 265.2 billion lira.
Key Facts
- Tax inspectors identified 354.2 billion lira in tax base discrepancies in January-June 2026, up 57% from 225.5 billion lira a year earlier.
- Tax inspection findings rose 96.65% to 265.2 billion lira, nearly double the previous year's amount.
- Proposed tax and penalty amounts exceeded 186.6 billion lira, with proposed tax up 89.35% and penalties up 79.92%.
- 33,455 taxpayers were examined in the first six months, resulting in 101,301 reports.
- Invitation to explanation led to 35.4 billion lira in increased tax bases and 3.05 billion lira in additional tax, up 10.41%.
Inspection Results
Tax inspection findings totaled 265.2 billion lira in the first half of 2026, a 96.65% increase from the same period last year. Proposed tax rose 89.35% and proposed penalties rose 79.92%, bringing the combined total to over 186.6 billion lira. 33,455 taxpayers were examined, generating 101,301 reports.
Voluntary Compliance Programs
The invitation to explanation mechanism allowed taxpayers to increase their tax bases by 35.4 billion lira. Additional tax from this mechanism reached 3.05 billion lira, up 10.41% year-on-year. The 2026 inspection program found 8.03 billion lira in tax base differences and reduced losses, with 886.1 million lira in assessed tax. A declaration supervision program launched in April sent letters to 36,015 taxpayers, leading to 21.8 billion lira in increased tax bases and 23.3 billion lira in reduced declared losses.
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Turkey's tax audits uncover 354.2 billion lira in first half
