Louisiana Revised Statutes - 46:XLVI.131. Notary Seal
A. A notary’s signature is his seal. If he elects to have a seal to use when notarizing documents, he is not required to have a particular style of seal to give authenticity to his copies.
B. The name of the notary and the witnesses must be typed, printed legibly, or stamped.
C. Every document notarized in the state of Louisiana shall have the notary identification number assigned to him/her by the secretary of state and that number shall be typed or printed legibly and placed next to the notary’s name. If the notary is an attorney who is licensed to practice law in the state of Louisiana, he may use his Louisiana state bar roll number in lieu of his notary identification number.