Mason, I am North American based, but asked one of my European friends for some guidance. Credit goes to Giuliano Cipolletti of Observing Srl in Milano Italy. Dynamics NAV should be able to handle IFRS reporting out of the box. For revaluation of a fixed asset, there is a standard fixed asset posting...

Mason - Welcome to the community.... awesome to see someone from New Zealand there (especially since I am originall from Wellington :)) I shall check out your question with some NAV folks and try and get someone with the right skillset here to have the conversation with you. Craig