National Identity Number or
D-Number

The application for a tax card for foreign nationals acts as an application for a national identity number or a D-number if such a number has not been applied for earlier. The number is stated on your tax deduction card and is used to identify you to the authorities. When you open a bank account in Norway, you must give this number to the bank. You must use the D-number or national identity number every time you come to Norway to work. You must also state the number when applying for a new tax deduction card.

A national identity number is usually issued to foreign nationals staying in Norway for more than six months.

A D-number is usually issued to foreign nationals staying in Norway for less than six months and to citizens of other Nordic countries who are not bringing their family to Norway. The number resembles the national identity number, but "4" is added to the first digit.

Applications for a national identity number or a D-number may also be sent directly to the National Registry. The form Notification to the National Registry of move to Norway from abroad RF-1401 acts as an application. The National Registry normally processes applications within two weeks.