What motion is used to annul some action when it is too late to reconsider it?

The motion used to annul some action when it is too late to reconsider it is known as "to rescind." This motion allows a body to reverse a previous decision or action that has already been taken, effectively nullifying it. It is particularly useful when a situation arises where the original action is deemed no longer appropriate or acceptable.

Rescinding a motion can only occur under specific conditions, such as when the body has a standing rule allowing for it, and it often requires a certain level of support from the members present to pass. This makes it distinct from other motions that deal with procedural actions or alterations, as rescinding directly impacts prior decisions rather than current discussions or proposals.

The other options—caucus, adjourn, and amend—serve different purposes within parliamentary procedure. A caucus is a meeting for discussion among members, adjourn refers to ending a meeting, and to amend involves making changes to a motion or proposal before it is decided. Thus, none of these options provide the authority to annul a previously made action in the same way rescinding does.