(Service unit for the construction industry)

You need authorisation to collect information about taxes and VAT for the construction sector. You must send requests for information by post or via e-mail to Registerinfo

The information from the Norwegian Tax Administration is confidential, and can only be provided if the contractor has authorised it. Enquiries about information must be sent by post or e-mail to  with an authorisation from the enterprise you’re ordering information about.

Form for ordering information about tax and duties

All businesses can order their own information about tax and duties in Altinn. If you would like others to have a copy of the certificate, specify the recipient(s) when you order. A copy of the certificate is sent to the copy recipient directly in their Altinn inbox.

See more information about RF-1507 Information about tax and duties.

Authorisation for information about tax and duties for the construction industry

Forms