A letter from a customer of a hotel or other supplier accepting a proposal. Letters of agreement may be in the form of the supplier's proposal that has been initiated by the customer. This document does not become legally enforceable unless it is signed by both parties, or both parties have exchanged letters.

Document outlining proposed services, space, or products which becomes binding upon written approval by both parties.

Contract. Document outlining proposed services, space, or products which becomes binding upon signature by authorized representatives of both parties. It lists services, foods, beverages, and so forth.

a simple way to strike a deal and get a contractor working when time or scope constraints don't call for a full-blown contract

a document that constitutes a simple form of contract.

An enforceable contract in the form of a letter.

From the facility being considered; indicates the space requested and held; negotiations follow.