5 U.S.C. § 578
Authority of the arbitrator
An arbitrator to whom a dispute is referred under this subchapter may—
(1)
regulate the course of and conduct arbitral hearings;
(2)
administer oaths and affirmations;
(3)
compel the attendance of witnesses and production of evidence at the hearing under the provisions of section 7 of title 9 only to the extent the agency involved is otherwise authorized by law to do so; and
(4)
make awards.
(Added Pub. L. 101–552, § 4(b) , Nov. 15, 1990 , 104 Stat. 2742 , § 588; renumbered § 578, Pub. L. 102–354, § 3(b)(2) , Aug. 26, 1992 , 106 Stat. 944 .)