The certificate of acknowledgment (PDF) must be in the form set forth in California Civil Code section 1189. WITNESS my hand and official seal. Signature. (Seal).A notary public or other officer completing this certificate verifies only the identity of the individual. This page contains Acknowledgment clauses in business contracts and legal agreements. We have organized these clauses into groups of similarly worded clauses. In today's video I'm going to show you how to complete a California Acknowledgement and a California Giraffe. How to fill out the California All-Purpose Acknowledgment Form? Proper Forms: Use of prescribed acknowledgment forms is mandatory. Templates can be found on the California Secretary of State's website. Acknowledgement of Full Understanding.