1968—Pub. L. 90–578 substituted provisions for periodic training programs and seminars for United States magistrates for prior authorization of United States commissioners to administer oaths and take bail, acknowledgements, affidavits, and depositions, now incorporated in section 636 (a)(2) of this title.

Words “magistrate judges” substituted for “magistrates” wherever appearing in text pursuant to section 321 of Pub. L. 101–650, set out as a note under section 631 of this title.

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 this title.