The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes. On the _______day of ______ in the year_____, before me, the undersigned notary public, personally appeared.An acknowledgment is one of the most common types of notarial acts, but it often confuses Notaries. Here are 5 steps to performing an acknowledgment. What do you need to include in your donation acknowledgment letter? These are the official forms for use in Surrogate's Court proceedings. When acknowledging these donations, include the name of the donor, the number of shares, the name of the security, and the date when the transfer was completed.