A letter of agreement is a type of business document that explains and sets the terms of a working agreement between two or more parties. You can locate Sample Contract Agreements on this page.Documents Sample Construction Agreement (PDF) Sample agreement to be used as a template. Agreement resolves in full, for its duration, all issues between the parties concerning wages, hours, and other terms and conditions of employment. A Letter of Agreement is a document that outlines the terms and conditions of an agreement between two parties, like a more concise version of a contract. This document is a rental agreement between a landlord and two tenants for an apartment unit. Make Sure Both Parties Sign the Contract. 5. above. 2. Sponsor will reimburse Composer up to (dollar amount) for preparation of full score and parts. 3.