31 C.F.R. § 515.337
For purposes of this part, the term prohibited officials of the Government of Cuba means Ministers and Vice-Ministers; members of the Council of State and the Council of Ministers; members and employees of the National Assembly of People's Power; members of any provincial assembly; local sector chiefs of the Committees for the Defense of the Revolution; Director Generals and sub-Director Generals and higher of all Cuban ministries and state agencies; employees of the Ministry of the Interior (MININT); employees of the Ministry of Defense (MINFAR); secretaries and first secretaries of the Confederation of Labor of Cuba (CTC) and its component unions; chief editors, editors, and deputy editors of Cuban state-run media organizations and programs, including newspapers, television, and radio; and members and employees of the Supreme Court (Tribuno Supremo Nacional).
31 C.F.R. §515.337