Federal, State or Territorial Judges, or U.S. magistrate judges authorized to issue search warrants, Rule 41(a).

1968—Pub. L. 90–578 substituted “magistrates” for “Commissioners”.

“U.S. magistrate judges” substituted for “U.S. magistrates” in text pursuant to section 321 of Pub. L. 101–650, set out as a note under section 631 of Title 28, Judiciary and Judicial Procedure.

Amendment by Pub. L. 90–578 effective Oct. 17, 1968, except when a later effective date is applicable, which is the earlier of date when implementation of amendment by appointment of magistrates [now United States magistrate judges] and assumption of office takes place or third anniversary of enactment of Pub. L. 90–578 on Oct. 17, 1968, see section 403 of Pub. L. 90–578, set out as a note under section 631 of Title 28, Judiciary and Judicial Procedure.