Norwegian citizens who were either born abroad or have not since 1964 been residents of Norway, must obtain a personal ID-number before a Norwegian passport can be applied for. Others may be informed of their personal ID-number by calling the Directorate of Taxes on + 47 62 88 23 20.
An enquiry for a personal ID-number is directed to the Royal Norwegian Embassy, and must be accompanied by a true certified copy of the applicant’s birth certificate. Birth certificates not issued by Norwegian authorities need to have an Apostille affixed. The Embassy can translate and confirm true copy. A certified copy of both parents passports must also be presented.
If the parents are not married, or if the marriage is not registered with the Norwegian Citizens register, a declaration of parenthood should be accompanied to the application. This form will be given and filled out at the embassy and both parents are to sign it.