31 C.F.R. §561.504
Note to §561.504: This section does not authorize a U.S. financial institution to unblock property or interests in property, or to engage in any transaction or dealing in property or interests in property, blocked pursuant to any other part of this chapter, in the process of closing a correspondent account or a payable-through account for a foreign financial institution whose name has been added to the CAPTA List, maintained on the Office of Foreign Assets Control's Web site (www.treasury.gov/ofac). See § 561.101 .