The Department of the Treasury’s Office of Foreign Assets Control (OFAC) has sanctioned a subsidiary of Russian state-run oil company Rosneft for operating in the oil sector of the Venezuelan economy.

Rosneft Trading S.A. was added to OFAC’s list of Specially Designated Nationals and Blocked Persons (SDN List) on Tuesday, along with the company’s chairman of the board of directors and president, Didier Casimiro. Rosneft Trading S.A. is a Swiss-incorporated subsidiary of Rosneft created to assist Rosneft in carrying out its foreign projects.