I certify under PENALTY OF PERJURY under the laws of the State of California that the foregoing paragraph is true and correct. The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes.The certificate of acknowledgment (PDF) must be in the form set forth in California Civil Code section 1189. 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. Some Examples "Thank you for your contribution of (insert amount of cash donation) on Date. I'm going to take a minute here and we're going to cover how to properly do an all-purpose acknowledgement for the state of California. The Acknowledgement Letter Template provides a framework for formally recognizing the receipt of documents, goods, or services. Coordinates with Gifts Processing and departments to send a gracious acknowledgement with every gift receipt.