Originally Posted by jabwmu

I think so.

Sec. 23.S.9.f

"will be released from on-call duty not later than 1200 base time on his last on-call day prior to a hard non-fly day."

Definintion of a hard non-fly day:

"Hard non-fly day means a non-fly day on which a pilot may not be inversely assigned to a rotation (e.g., vacation, APD day, reserve PD day, ALPA, legal duty, MLOA, or golden X-day)."