Debtor Default

Obligations and Debt Claims
Prepared by: Constantinople
Debt Claims
Late payment requires separate determination of whether the debtor is legally in default. The debt being due, generally the required notice, and exceptions permitting default without notice matter. The invoice date is not automatically the default date in every dispute.
Maturity and Notice Differ
Under Article 117 of the Turkish Code of Obligations, notice concerning a due debt is the starting point in many files. Statutory exceptions, such as a jointly fixed performance day, may remove that requirement. Later extensions, accepted payment plans, and earlier creditor statements must be considered. The notice should specify the obligation and timing, not just the amount.
Consequences Depend on the Obligation Type
Monetary debts may produce default interest; other obligations involve different treatment of delay damages and performance. Reciprocal contracts have special conditions for additional time and alternative rights. Delay does not mean the creditor may immediately terminate however they wish. An earlier election may restrict later claims.
Loss and Interest Are Calculated Separately
Principal, available interest, and loss exceeding interest must be distinguished. Interest types and periods may vary with the commercial or consumer relationship. Not every spreadsheet rate is legally applicable. Partial payments and allocation also affect the outcome; default defences must be assessed with supporting documents.
Documents That May Be Prepared for the Initial Review
- The contract specifying maturity and payment plan
- The notice and delivery record
- Partial payments
- Documents showing delay-related loss
File review and representation are paid services. Scope and fees are agreed in writing before work begins.
Legal Grounds
Turkish Code of Obligations, Articles 117–126
Last content review: 11 November 2026.