Originally Posted by acf573

I think this is the part that's confusing him:

I think this is an anachronism when full-fare first class on 3-class transcons used to be P. I agree that whoever rewrote this section really butchered things (presumably it'll be cleaned up after April 1), but just below that text is a box which makes it very explicitly clear which fare classes are eligible: F, Z, and P now; F and Z after April 1. So there really shouldn't be any confusion.