How to fill in the tax return for sole proprietorships

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Log in to Altinn

Log in to Altinn here (opens in a new window). Adjust the browser windows so that you can see both Altinn and

You will find the Help for log-in at the bottom of the Altinn page.

Then select the tax return in “My message box”.

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Maks 255 tegn. Kun tall og bokstaver.