When can a Personal Goal be revealed, and can it be revealed later than when its conditions were met?

Question

Accepted Answer

Revealing is an action you choose to take, and the conditions must hold at that moment. You may wait, though waiting risks a jump, and an unrevealed Cylon can reveal a fulfilled goal later.

Battlestar Galactica: The Board Game

When can a Personal Goal be revealed, and can it be revealed later than when its conditions were met?