Acknowledgement of parentage
An act acknowledging parentage through one of the forms recognised by law.
What to bear in mind
Its effectiveness may require consent, approval or other conditions. It differs from a genetic test or a private custody agreement.
Preparing for your consultation
Bring earlier orders and agreements, details of those affected and a timeline. Identify the decision or procedure you need advice on.
Legal source
Spanish Civil Code, article 120 · BOE (opens in a new tab)
Related content
General information on Spanish law. Application depends on the facts, current legislation and, where relevant, regional civil law or international rules. Reviewed: 26 October 2026.