A bill to improve judicial machinery by amending title 28, United States Code, to broaden and clarify the jurisdiction of U. S. magistrates.

Declares that a judge may designate a magistrate to hear and determine any pretrial matter, except specified motions, and to conduct evidentiary hearings for posttrial relief of individuals convicted of criminal offenses. Declares that a judge may designate a magistrate to serve as a special master, and perform such additional duties as are not inconsistent with the Constitution and laws of the United States.