The 1 year thing applies in different countries to stop people rushing into it. If violence occurs move away, wait 1 year then apply. Still need a lawyer to get any money. Settlements need to be done first. Some lawyers will take money after.
https://www.regjeringen.no/en/topics/families-and-children/innsiktsartikler/skilsmisse-og-samlivsbrot/id670413/
She just needs to wait 1 year then apply
He doesnt have to sign