Your tax card will be downloaded electronically. Make sure to have the most recent and updated tax card on Altinn to ensure correct calculation for tax deductions.
How to find tax card:
https://help.staffers.no/en/articles/3325931-how-to-find-tax-card-skattekort
How to add tax card to profile:
https://help.staffers.no/en/articles/3349611-passport-and-tax-card