Turkish Law in EnglishTÜRKİYE
Turkish Code of Obligations

Article 13: a. Scope

Division One: Obligations Arising from Contract A. Formation of the contract I. Declaration of intent

Compliance with the written form is also mandatory for the amendment of a contract which is required by law to be made in written form. However, supplementary ancillary provisions which do not contradict the text of the contract are excluded from this rule.

This rule also applies to forms required for validity other than written form.

Original Turkish text

MADDE 13 · a. Kapsamı

Kanunda yazılı şekilde yapılması öngörülen bir sözleşmenin değiştirilmesinde de yazılı şekle uyulması zorunludur. Ancak, sözleşme metniyle çelişmeyen tamamlayıcı yan hükümler bu kuralın dışındadır.

Bu kural, yazılı şekil dışındaki geçerlilik şekilleri hakkında da uygulanır.

Text as of 1 October 2026 · Official source (Turkish): mevzuat.gov.tr ↗

Unofficial translation for information only. The Turkish text published in the Official Gazette is the only authoritative version. This page is not legal advice.