My apologies. I will point out that the specific statement I was responding to was not discussing that the rest was placed on a schedule such that it was known when a pilot was in their required pre-release schedule check:

”+1. The only thing I'll add is to be careful not to unintentionally acknowledge a 30 hour rest with a combined CNO call (legally) converting you from LC to SC. A couple anecdotal reports of a 'dual use'' CNO attempt.l”

It was a response specifically to the scenario of being on long call status and getting a CNO for short call.

You are correct though. There are two times at Delta you need to acknowledge:

1) rest assigned prior to release from a rotation (23.S.5.f.1.)
2) rotations assigned while on short call IN the short call window (old CA bulletin)

That’s it. Period dot.