Portuguese Nationality for a Child or Young Person Born Abroad to a Portuguese Parent (Nacionalidade portuguesa para criança ou jovem nascido no estrangeiro com progenitor português)
Blank form to apply for Portuguese nationality for a minor under 18, born outside Portugal, whose mother or father is Portuguese.
Official form: Modelo 1C · Instituto dos Registos e do Notariado
What it is for
- Applying for Portuguese nationality for the minor child of a Portuguese citizen
- Sorting out the situation of a minor born abroad whose nationality has not yet been registered
What it is
This is IRN Form 1C, in the version for minors born abroad who are children of a Portuguese citizen. The application is made on the child's behalf by their representative. It does not cover applicants who are grandchildren of a Portuguese citizen, and it does not replace the documents proving parentage.
What you receive
You receive the official blank PDF form, with an explanation of what it is for. The Titus assistant answers your questions about filling it in. You can combine it with other documents in the same request, with a single payment. We do not ask for any password for forms.
The assistant explains; it does not fill in or submit anything on your behalf. Do not type passwords or third parties' data.
Things to note
The form arrives blank; the minor's representative fills it in and signs where the form indicates. Please ask the registry office to confirm what proof is needed. Titus Docs does not submit the application and does not guarantee that nationality will be granted.
Frequently asked questions
Is it enough for one parent to be Portuguese?
The form refers to a Portuguese mother or father. The details of the law and the required proof are confirmed by the registry office.
Can I apply for several children on the same form?
As a rule, each minor has their own application. If you have any doubts, the Titus assistant can help you understand the fields before you fill them in.
Related documents
Blank form for an adult born outside Portugal to apply for nationality on the basis of having a Portuguese mother or father. Includes guidance on filling it in.
Portuguese Nationality for a Minor with a Portuguese Grandfather or Grandmother (Nacionalidade portuguesa para menor com avô ou avó português)Blank form to apply for nationality for a minor under 18 who is descended from a Portuguese grandfather or grandmother, with help filling it in.
Text reviewed in November 2026.