45 C.F.R. § 81.36 Certificate of service.
Title 45 - Public Welfare
The original of every document filed and required to be served upon parties to a proceeding shall be endorsed with a certificate of service signed by the party making service or by his attorney or representative, stating that such service has been made, the date of service, and the manner of service, whether by mail or personal delivery.
Title 45: Public Welfare
PART 81—PRACTICE AND PROCEDURE FOR HEARINGS UNDER PART 80 OF THIS TITLE
Subpart D—Form, Execution, Service and Filing of Documents
§ 81.36 Certificate of service.
