StacksVerified U.S. regulatory reference

4 CFR §28.49

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
When 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:
  1. (a)In person,
  2. (b)By registered or certified mail, or
  3. (c)By delivery to a responsible person (named) at the residence or place of business (as appropriate) of the person to be served.