Completing this information can deter alteration of the document or fraudulent reattachment of this form to an unintended document. A Michigan notary acknowledgment form is a document that a notary public uses to verify an individual's signature on a legal instrument.Michigan Notarial Certificates. Have her sign where it says signature and have her print her name where it says on behalf of. Hope this helps, and best of luck to you two! Fill out, sign, and affix your official seal to the Notary certificate. The wording requirements for acknowledgment certificates vary from state to state. Download a template here. This document provides clear instructions on the use of plain language acknowledgment forms in Michigan. Witness my hand and official seal.