Originally Posted by
Guy Betsy
It may be a rule, but it can be changed.
Airlines like *A, used to have this ruling but they changed it. So did other RTW fares. So ultimately, that may be the case for OW too.
I don't know the history of the *A rules for RTW tickets
but the current rules simply make no mention of country of sale vs country of origin - so one always pays the country of origin price, and no need for the Canada or Europe exceptions
(and I believe ST RTW rules are similar)