Paternity or co-maternity established abroad

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Paternity or co-maternity established abroad may be recognised in Norway.

When paternity or co-maternity established abroad has been recognised in Norway, it should be used in all contexts where paternity or co-maternity is of importance.  

When is it relevant to apply for recognition of paternity or co-maternity?

If the parents are not married and paternity or co-maternity has been established outside the Nordic countries by a declaration, court or administrative decision, the parents may apply for recognition of the foreign decision in Norway.

Foreign decisions on change of paternity may be recognised in the same way.

NAV has created a sample form, which is located under “Related information”. The application must be submitted to NAV together with:

  • The child’s birth certificate, an extended version if this is available
  • Documentation of how the paternity / co-maternity has been established, e.g. a declaration, judgment, administrative decision
  • Documentation of the identity of the parents and the child, e.g. a passport or valid identity card

If you do not want to submit original documents, you must obtain verified copies, e.g. from a Norwegian embassy or consulate.

NAV sends the decision to the Norwegian Tax Administration to register the paternity or co-maternity.

You do not need to apply for recognition when:

  • Paternity or co-maternity follows directly from foreign law. This mainly applies to paternity that follows from the “pater est” rule, i.e., that the man to whom the mother is married at the time of the birth is considered to be the father of the child. The parents must contact the Norwegian Tax Administration to have the marriage registered in Norway.
  • Paternity or co-maternity has been established by court judgment or declaration in one of the Nordic countries (Denmark, Finland, Iceland and Sweden). The parents must contact the Norwegian Tax Administration to have the paternity or co-maternity registered in Norway.