Disclaimer: Please connect with legal.
Yes, a self-evaluation is required if working from home in Norway.
Yes, supported employees working from home or teleworking outside the company’s offices in Norway must enter into special agreements that regulate the conditions of such work. These agreements typically cover:
Note: The regulations on home working are under revision and are expected to be updated soon. The regulation that is currently applicable (in Norwegian) can be found here: https://lovdata.no/pro/#document/SF/forskrift/2002-07-05-715?searchResultContext=1568&rowNumber=1&totalHits=55201.
A template home office agreement is available.