Legal sex is from now on based on your own experience of sex and sex identity. It is no longer needed a particular diagnosis or medical treatment to change legal sex.

To change the legal sex status in the national register, you must now send an application to the tax authoroties = skatteetaten.no whre they will change legal sex status and assign a new identity number in the national register. 

Helsedirektoratet. Read more (NO)

Helsenorge.no. Read more (NO)

The Law from 1 July 2016 (NO