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. An acknowledgement agreement is a legal document formalizing some agreement between parties, similar to a memorandum of understanding. Always complete a journal entry to have record of the transaction. Scan the document for completeness. § 415.30) is the recommended method of serving a summons on a known-to-be represented party. This page contains Acknowledgment clauses in business contracts and legal agreements. We have organized these clauses into groups of similarly worded clauses. By signing below, Customer acknowledges and agrees to the following: 1.