Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples). (Seal). Given under my hand and seal of office this _____ day of ______, 20____.(Notary's Signature). When there are multiple donors or recipients signing, additional copies of this form should be used to document signatures and notary acknowledgements. A. U.S. Department of Housing ("HUD") approved certification form is attached to this notice.