Acknowledgment must include: date, legible notary seal, notary signature and commission expiration date. Fill out, sign, and affix your official seal to the Notary certificate.The wording requirements for acknowledgment certificates vary from state to state. The CARS (Credibility, Accuracy, Reasonableness, Support) Checklist is designed to assist researchers in evaluating information sources. Create your acknowledgment letter template. Use an LGL letter template; Use a Microsoft Word letter template. You need to fill out a request form. You can do this at the time you file your application. (Name): We are acknowledging receipt of your application on (date of receipt). (Name): We are acknowledging receipt of your application on (date of receipt).