The Secretary of Labor, with respect to any matter under this part, may—
issue subpoenas for and compel the attendance of witnesses;
administer oaths;
examine witnesses; and
require the production of books, papers, documents, and other evidence.
Pub. L. 106–398, § 1 [div. C, title XXXVI, § 3632]Pub. L. 108–375, div. C, title XXXI, § 3163(a)118 Stat. 2186 (, as added , , .)