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Declaration of birth or recognition of a child: what differences?

Verified 05 August 2021 - Directorate of Legal and Administrative Information (Prime Minister), Ministry of Justice

The declaration of birth is mandatory, whereas the recognition of a child is a voluntary process.

Father recognition

The birth declaration is mandatory, while recognition of child is a voluntary step of the father.

The father may recognise the child on the occasion of the birth declaration.

Differences between child recognition and birth declaration


Child recognition

Declaration of birth



Mandatory procedure (under penalty of criminal penalty)


At any time

Within 5 days of birth


Declare paternity

Declare the birth of a child

Who can do the walk?

Unmarried father

The father or any person who attended the delivery


Steps to recognise a child

Official declaration of the birth of a child


Town Hall

To the town hall of the place of birth

Joint recognition by a female couple

The couple must have committed themselves to a project AMP: titleContent, with semen donation.

Joint recognition is done at the same time as the signature of consent to the donation of semen.

The joint recognition must be given to the registrar at the time of the declaration of the child's birth by one of the following persons:

  • Biological mother
  • 2e mother
  • Person responsible for declaring birth

Delivery under X

In case X, recognition of the child is possible for both the father and the mother.