Affiliation with any other religious group while member of FORN SIÐR is PROHIBITED UNDER NORWEGIAN LAW (modern and ancestral).
Those unwilling to comply with our laws and who wish to remain affiliated with any other religious body shall contact service@fornsidr.no to have their FORN SIÐR membership revoked.
This is the official memo (also available here in PDF format):
Who, or how many, messed up bad enough that this needs to be in writing...why would you want to affiliate with any other group? Always another surprise around the corner.