Return of service.
4 C.F.R. § 28.49
in effectEffective: 2024-07-01When service of a subpoena is effected by a person other than a United States Marshal or Deputy Marshal, that person shall certify on the return of service that service was made either:
(a) In person,
(b) By registered or certified mail, or
(c) By delivery to a responsible person (named) at the residence or place of business (as appropriate) of the person to be served.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-4.xmlFetched: 7/26/2026
