What do you need to include in your donation acknowledgment letter? Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples).The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes. For an acknowledgment in a representative capacity: STATE OF FLORIDA. 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. Donation acknowledgment letters are more than just a donor tax receipt. There are certain items to include for tax purposes. A Florida notary acknowledgment form is a sworn statement, commonly attached to a legal document, that confirms the authenticity of the person signing. How to Complete an Acknowledgment.