When you want to define the terms of a working relationship between two or more parties, consider writing a letter of agreement. Guidance for filling out the form is listed in blue text throughout the document.A. During and at the completion of the Residency Period, Sponsor agrees to: 1. Provide its professional services as administrator of the this program,. 2. Create a Letter of Agreement (LOA) using our free DIY printable template. Remind someone of their legal duties to you before initiating legal proceedings. The New York State Unified Court System offers free instruction booklets and forms for people starting a divorce. (c) Up to two (2) hours. The decision of the Arbitrator shall be final and binding on both parties to this Agreement. Use this professionally drafted agreement letter template to create a legally binding contract between two parties.