Do your theory

An ATO is a “Approved Training Organization”. And you will need an ATO in order to recieve training for the issue or renewal of an instrument rating.

Not all flight schools offer the CB-IR/BIR theory, but here are a few.

Norway

Flygeteori.no – Oslo – http://flygeteori.no

Sweden

South Sweden Flight Academy – Malmö/Sturup – https://www.southsweden.se/