On the _______day of ______ in the year_____, before me, the undersigned notary public, personally appeared. The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes.Want to learn how to write and structure donor acknowledgment letters? Check out these tips and sample letters to make a greater impact. Thank you for your prompt payment. Acknowledgement taken in New York State. Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples). Discover ways you can fine-tune your acknowledgment letters to delight your donors and ensure their continued support. How do you fill out an acknowledgment letter?