You cannot pay, defer, or split your claim in this period.

As of 1 January 2026, new debt collection rules will take effect and several collection authorities will be merged into one: the Collection Authority in the Tax Administration. This means that we are:

• phasing out sismo.skatteetaten.no and moving all the content to skatteetaten.no
• rebuilding and updating skatteetaten.no for a few days from and including 1 January