Originally Posted by Verdell

You're asking good questions. Most of us (I think) still have no/little idea how pre-posted rest works because it's a curveball that operates exclusive to the same-day/next-day/second-day order of things for Reserve pilots.

The notification requirements don't change (I think.) The post-rotation schedule check "likely" makes you responsible for acknowledging rest that may be as far out as a month in advance, versus same/next/second-day. I've not heard/seen any guidance on this.

I do not believe that pre-posted rest affects anything regarding x-day moves in PCS.

Pre-posted rest does affect reserve assignments, in the sense that the rest will cause trip coverage to search for pilots that can cover a trip without interfering with their rest before progressing to pilots with conflicting rest.

Pre-posted rest is/may be interfering with GS awards by denying them prematurely. I believe this is an ongoing point of contention.