Online legal forms are useful for frequent, basic, and necessary tasks. Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples).Send a Demand for Payment to the Bad Check Issuer and Complete Affidavit of Mailing. The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes. This document is a receipt acknowledging payment received from an individual or entity. Satisfactory Academic Progress. (SAP). Federal regulations require that a student meet basic academic progress standards to receive federal financial aid. To Pima County's role in the project. 2. Please do not include this letter to refund request to avoid inconvenience during check pick up). Forms of Payment for Wagers .