22 U.S. Code § 6033 - Prohibition against indirect financing of Cuba
Notwithstanding any other provision of law, no loan, credit, or other financing may be extended knowingly by a United States national, a permanent resident alien, or a United States agency to any person for the purpose of financing transactions involving any confiscated property the claim to which is owned by a United States national as of March 12, 1996, except for financing by the United States national owning such claim for a transaction permitted under United States law.
(b) Suspension and termination of prohibition
The prohibition contained in subsection (a) of this section shall cease to apply on the date on which the economic embargo of Cuba terminates as provided in section 6064 of this title.
Violations of subsection (a) of this section shall be punishable by such civil penalties as are applicable to violations of the Cuban Assets Control Regulations set forth in part 515 of title 31, Code of Federal Regulations.