Originally Posted by
Chiller3333
There's a long thread on this in the A3 section.
TP doesn't credit the booking class as booked but remaps it depending on Classic/Plus etc.
It's super opaque and very hard to know ex-ante what you'll get.
For the business fares it's less problematic since they should all earn a decent amount.
AC does similar things. I have always been able to get proper credit with the ticket receipt.