On 28 February, OFAC announced that it had added 1 individual and 6 entities (including the Russian Central Bank, the Ministry of Finance and the National Wealth Fund) to its Russia sanctions lists. It also issued General License 8A which authorised certain transactions relating to energy supplies, and Directive 4 under EO 14024 concerning the prohibitions related to transactions involving the Central Bank of the Russian Federation, the National Wealth Fund of the Russian Federation, and the Ministry of Finance of the Russian Federation.
https://home.treasury.gov/system/files/126/eo14024_directive_4_02282022.pdf
https://home.treasury.gov/system/files/126/russia_gl8a_1.pdf
https://home.treasury.gov/policy-issues/financial-sanctions/recent-actions/20220228