Originally Posted by
berlinflyer
I checked this for several TATL routes, both into Germany as well as to other European destinations and it seems to be true for each route that I checked.
If that's true (especially no class of service bonus miles), then it would be a major downside
This language in the fare rules has been around for many years. It documents the UA rules for Z fares and has never been applied to the LH earning / upgrade procedures.