Recognition of Socio-Affective Filiation in Civil Registry

Q: What is recognition of socio-affective filiation?

Recognition of socio affective filiation is the formal act establishing a maternal or paternal bond based on affection and public, continuous, and lasting coexistence. The act produces the same legal effects as biological kinship.

Q: Who can request recognition of socio-affective filiation in the Civil Registry?

Persons over 18 years of age acting as socio affective parents, provided they are at least 16 years older than the child to be recognized. The procedure is addressed to the Registro Civil das Pessoas Naturais.

Recognition of socio-affective filiation formalizes affective kinship in the Civil Registry, guaranteeing rights and surname addition without annulling biological filiation.

2026-09-28

Última atualização: 2026-09-29

Por Dr. Fernando Ribeiro — Tabelião Substituto · 5º Tabelionato de Notas de Recife

Note: This content describes Brazilian notary and civil registry law.

How Does Recognition of Socio-Affective Filiation and Surname Addition Work in the Civil Registry?

Recognition of Socio-Affective Filiation in the Civil Registry

Learn how recognition of socio-affective filiation and surname addition work in the Civil Registry without judicial proceedings.

FAQ

What is recognition of socio-affective filiation?

Recognition of socio-affective filiation is the formal act establishing a maternal or paternal bond based on affection and public, continuous, and lasting coexistence. The act produces the same legal effects as biological kinship.

Who can request recognition of socio-affective filiation in the Civil Registry?

Persons over 18 years of age acting as socio-affective parents, provided they are at least 16 years older than the child to be recognized. The procedure is addressed to the Registro Civil das Pessoas Naturais.

What documents are required to recognize the socio-affective paternity of an adult child?

Applicants must present a photo ID, CPF, updated birth or marriage certificate, proof of residence, and documentary evidence proving the possession of child status.