5 U.S.C. § 8126

Subpenas; oaths; examination of witnesses

The Secretary of Labor, on any matter within his jurisdiction under this subchapter, may—

(1)

issue subpenas for and compel the attendance of witnesses within a radius of 100 miles;

(2)

administer oaths;

(3)

examine witnesses; and

(4)

require the production of books, papers, documents, and other evidence.

( Pub. L. 89–554 , Sept. 6, 1966 , 80 Stat. 545 .)