yes, I believe you'd need to use the Generic Country Version as the standard Norway country version doesn't support Meal/ Lodging per diems yet. You could just leave the Norway FT activities as they are (or if you really want to, de-scope the standard country version 'Norway', if you can undo the scoping + FT changes first).
(P.S. - if the requirement was only to support expense types and mileage, you could have used the standard Norway country version as it supports these)