31 C.F.R. § 539.301
The term designated foreign person means any person determined by the Secretary of State, in consultation with the Secretary of the Treasury, to be subject to import measures pursuant to section 4(a) of Executive Order (E.O.) 12938 of November 14, 1994, as amended by E.O. 13094 of July 28, 1998 and E.O. 13382 of June 28, 2005.
Note 1 to § 539.301 . The Department of State publishes in the FEDERAL REGISTER the names of persons determined to be subject to import measures pursuant to section 4(a) of E.O. 12938, as amended, and maintains a list of such persons accessible through the following page on the Department of State's website: https://www.state.gov/key-topics-bureau-of-international-security-and-nonproliferation/nonproliferation-sanctions/.
31 C.F.R. §539.301