31 C.F.R. § 515.207
Except as specifically authorized by the Secretary of the Treasury (or any person, agency or instrumentality designated by him), by means of regulations, rulings, instructions, licenses or otherwise,
Note to § 515.207: For the waiver of the prohibitions contained in this section for vessels engaged in certain trade and travel with Cuba, see § 515.550.
[58 FR 34710, June 29, 1993, as amended at 66 FR 36687, July 12, 2001; 80 FR 2292, Jan. 16, 2015; 80 FR 56918, Sept. 21, 2015]