Mo. Rev. Stat. § 486.665
486.665 Signatures and photographs, prohibited acts.
486.665. Signatures and photographs, prohibited acts. — 1. A notary shall not notarize a signature:
(1) On a blank or incomplete document; or
(2) On a document without notarial certificate wording.
2. A notary shall neither certify nor authenticate a photograph.
(L. 2020 H.B. 1655)