eschatocol

n. DiplomaticsThe final section of a document, which may include a formulaic sentence of appreciation, and the attestation of those responsible for the document (the author, the writer, or the countersigner, and any witnesses to the enactment or the subscription).

Notes

Example of formulaic appreciation include 'sincerely', 'your humble servant', or 'yours truly'. The attestation is the most essential part of the eschatocol.