On 18 February, OFAC announced a set of changes to its Venezuela sanctions regime. It adds 1 individual, Didier Casimiro, and 1 entity, Rosneft Trading SA of Switzerland. The Swiss-incorporated, Russian-controlled oil brokerage firm is designated for operating in the oil sector of the Venezuelan economy. Didier Casimiro, is designated for purporting to act for or on behalf of, directly or indirectly, Rosneft Trading SA.
https://www.treasury.gov/resource-center/sanctions/OFAC-Enforcement/Pages/20200218.aspx