The forms below may also be used. Acknowledgments. Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples).Sample Letter of Acknowledgement. This form must include the name of the signer, the date of the acknowledgment, and details about the notary. In the "Name" section type your full name. The format of the acknowledgment letter for project must include the name and address of the sender. Also, the present date has to be mentioned. How do you acknowledge a receipt in a letter? Use this template when acknowledging the receipt of a specific document. Complete the notarization needed.