46 C.F.R. § 502.286 Compulsory process.
Title 46 - Shipping
The Commission, or its designated representative may issue orders or subpenas directing the person named therein to appear before a designated representative at a designated time and place to testify or to produce documentary evidence relating to any matter under investigation, or both. Such orders and subpenas shall be served in the manner provided in §502.134. [Rule 286.]
Title 46: Shipping
PART 502—RULES OF PRACTICE AND PROCEDURE
Subpart R—Nonadjudicatory Investigations
§ 502.286 Compulsory process.

