From November 23, 2023, the button "Proceed to more login methods" will be replaced with the button "Log in without a birth number/D-number."

Logging in with Altinn code letter, SMS-code, or password alone, as well as enterprise certificate, will eventually be phased out. We recommend using MinID or another login method via ID-porten.

If you do not have the option to do this, you can still find login options with Altinn code letter, SMS-code, or password and Enterprise certificate for the time being here:

This login change only applies to and does not affect machine-to-machine communication (accounting and payroll systems). It will still be possible to authenticate with a enterprise certificate in those systems. It will also be possible to log in to accounting and payroll systems with Altinn code letters and SMS codes until they are phased out gradually.

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