29 CFR §417.6

1. (a)To give notice concerning and to conduct hearings;
2. (b)To administer oaths and affirmations;
3. (c)To issue subpoenas;
4. (d)To rule upon offers of proof and receive relevant evidence;
5. (e)To take or cause depositions to be taken whenever the ends of justice would be served thereby;
6. (f)To regulate the course of the hearing;
7. (g)To hold conferences for the settlement or simplification of the issues by consent of the parties;
8. (h)To dispose of procedural requests or other matters;
9. (i)To limit the number of witnesses at hearings, or limit or exclude evidence or testimony which may be irrelevant, immaterial, or cumulative;
10. (j)If appropriate or necessary to exclude persons or counsel from participation in hearings for refusing any proper request for information or documentary evidence, or for contumacious conduct;
11. (k)To grant continuances or reschedule hearings for good cause shown;
12. (l)To consider and decide procedural matters;
13. (m)To take any other actions authorized by the regulations in this part.