5 U.S.C. § 578. Authority of the arbitrator

An arbitrator to whom a dispute is referred under this subchapter may—

1. (1)
   (1)regulate the course of and conduct arbitral hearings;
2. (2)
   (2)administer oaths and affirmations;
3. (3)
   (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. (4)
   (4)make awards.