By understanding the practical application and legal significance of a Letter of. Acknowledgement of Payment, businesses can streamline their processes, enhance.Enter payer details and confirm the payment information. Click "Initiate payment" in the red bar on the bottom right of the page. Once the processing is complete, thank-you letters are forwarded to the appropriate signee. How to write an Acknowledgement Letter? An easy way to start is to use this sample Letter of Acknowledgement Receipt Estimate Format now! Forms 8283 and 8282 are required for documenting receipt of certain noncash contributions and subsequent dispositions of donated assets. The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes. Demand Letter is used to request a debtor to settle payments.