How to fill in the tax return for sole proprietorships Share Print Thanks! Tell more friends Thanks! Try again Tell a friend Tell a friend Recipient's e-mail Your e-mail Share with: LinkedIn Twitter Facebook 1 Start 2 What you must do first 3 Log in to Altinn 4 Essential information about the tax return and attachments 5 Enter information about your sole proprietorship 6 Fill in attachments 7 Submit the tax return for sole proprietorships with attachments 8 What will happen after you have submitted Start This overview gives you answers to frequently asked questions concerning how you should submit tax returns via Altinn for self-employed persons with a sole proprietorship. Sole proprietorships are an organisational form where a “natural person” (i.e. a human being) is responsible for a commercial activity. Are you a foreign national with temporary residence in Norway? Have you not received a pre-completed tax return? Help for the tax return for foreign self-employed persons with temporary residence in Norway Neste Did you find what you were looking for? Thank you for your feedback Yes No Vennligst velg en vurdering What were you looking for? Maks 255 tegn. Kun tall og bokstaver.