The forms below may also be used. Acknowledgments. Use our Notary Acknowledgment Form to certify that you have signed a legal document in front of a notary public.How to fill out the Arizona Notary Acknowledgment Form Instructions? Fill out, sign, and affix your official seal to the Notary certificate. The wording requirements for acknowledgment certificates vary from state to state. An acknowledgement agreement is a legal document formalizing some agreement between parties, similar to a memorandum of understanding. I would like to express my deepest appreciation to all those who provided me the possibility to complete this report. This section is required for notarizations performed in Arizona but is optional in other states. Sample acknowledgment letter. HMIS Client Acknowledgment Form.