The certificate of acknowledgment (PDF) must be in the form set forth in California Civil Code section 1189. WITNESS my hand and official seal. Signature. (Seal).A notary public or other officer completing this certificate verifies only the identity of the individual. Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples). It is my great pleasure to acknowledge your magnificent Hewlett-matched pledge to the University, and to the Graduate School of Public Policy in particular. Acknowledgment Letter: This type of letter is used to recognize receipt of goods or documents. Explore the importance of acknowledgment letters in professional communication. Use our free template to acknowledge the receipt of emails, calls, or letters. An effective donor stewardship program acknowledges a gift in writing in a timely, accurate, and gracious manner. Every gift to UC San Diego is acknowledged.