No Customs officer or employee shall:
(a)
Own, in whole or in part, any vessel except a yacht or other pleasure boat;
(b)
Act as agent, attorney, or consignee for the owner or owners of any vessel, or of any cargo or lading on board the vessel; or
(c)
Import or be concerned directly or indirectly in the importation of any merchandise for sale into the United States
Code of Federal Regulations
[T.D. 78-394, 43 FR 49787, Oct. 25, 1978]