What a tahdit code is, and why you may not know you have one
A refusal with no stated reason usually has one. It is just not on the letter.
Last verified 2026-10-21Next review 2027-04-211 official source
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A tahdit is a restriction code recorded against a foreigner in the Turkish system. Codes exist for overstays, for entry bans, for public-order concerns and for several administrative situations that are not misconduct at all. A code can sit quietly behind a refusal without appearing in the refusal itself.
Why this catches people
An applicant with a clean sense of their own history gets refused, reads a letter that says little, and reapplies with the same file. The second refusal costs another fee and more weeks. Nothing in the loop reveals the code.
What to do first
Find out whether there is one before you reapply. Turkey runs a foreigners communication line, 157, which can tell an applicant why an application failed. A Turkish lawyer can establish the same thing and, where the code is wrong or spent, challenge it.
Where an agency stops
This is the clearest line between filing and advocacy. Preparing a complete file is one job. Arguing against a restriction on your record is another, and it belongs to a lawyer. Any service that offers to make a tahdit go away is selling something it cannot deliver.
The ordinary case
Most refusals are not codes at all. They are missing documents, insurance that ends too early, an address that cannot be registered, income evidence that falls short. Those are cheaper problems, and they are the ones to rule out first.
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Sources
Every legal, fee and procedural statement on this page is taken from the sources below and was checked on 2026-10-21. Where they change, this page changes.
- Law No. 6458 on Foreigners and International Protection (mevzuat.gov.tr) — Visa-free stays, residence permit types, conditions, validity and long-term residence
This page is general information about Turkish rules as published by the authorities named above. It is not legal or tax advice for your circumstances, and immigration outcomes depend on your nationality, documents and individual case. See our legal and tax information disclaimer.