Unless a vessel has otherwise engaged in transactions that would prohibit entry pursuant to § 515.207, § 515.207 shall not apply to a vessel that is:
(a)
Engaging in trade with Cuba authorized by licenses issued pursuant to § 515.533 or § 515.559; or
(b)
Engaging in trade with Cuba that is exempt from the prohibitions of this part (see § 515.206 ).
Code of Federal Regulations
[64 FR 25813, May 13, 1999]