Most work resulting from proposals is covered by a working agreement or contract to avoid discrepancies in the intents of the parties.

Working Agreement

A mutual understanding or an informal contract among members of a team about the standards, procedures, and responsibilities they agree to follow.

Proposals

Plans or suggestions put forward for consideration by others with the aim of initiating action or discussion.

Discrepancies

Instances of lack of agreement or consistency between facts, figures, or claims.