"Position-players" who are optioned to the minors generally must remain on Optional Assignment for at least ten days and "pitchers" and a "two-way players" who are optioned to the minors generally must remain on Optional Assignment for at least 15 days. (A "position-player" optioned to the minors during Spring Training generally must remain on Optional Assignment for the first ten days of the MLB regular season, and a "pitcher" or a "two-way player" optioned to the minors during Spring Training generally must remain on Optional Assignment for the first 15 days of the MLB regular season).
EXCEPTIONS: The only exceptions are if the player is traded or claimed off waivers, recalled as the "27th man" for a doubleheader (second game of the doubleheader only if two games were scheduled after a postponed or suspended game from the previous day), or is recalled to replace a player on the MLB Active List (26-man roster) who is traded, claimed off waivers, or placed on the MLB Injured List, Bereavement/Family Medical Emergency List, or Paternity Leave List, or the Restricted List (but only pursuant to a suspension or administrative leave resulting from a violation or possible violation of the joint MLB-MLBPA JDV policy or a suspension resulting from a violation of the joint MLB-MLBPA JDPTP policy).