"The executive branch also has used a variety of EOs [executive order]and legislation to impose sanctions on Russian individuals and entities in response to a number of other concerns. Legislation that established specifically Russia-related sanctions includes the following:  The Sergei Magnitsky Rule of Law Accountability Act of 2012 (P.L. 112-208, Title IV; 22 U.S.C. 5811 note);  Support for the Sovereignty, Integrity, Democracy, and Economic Stability of Ukraine Act of 2014, as amended (SSIDES; P.L. 113-95; 22 U.S.C. 8901 et seq.);  Ukraine Freedom Support Act of 2014, as amended (UFSA; P.L. 113-272; 22 U.S.C. 8921 et seq.);  Countering Russian Influence in Europe and Eurasia Act of 2017, as amended (CRIEEA; P.L. 115-44, Countering America's Adversaries Through Sanctions Act [CAATSA], Title II; 22 U.S.C. 9501 et seq.)."
CRS Report for Congress, R45415
Congressional Research Service: https://crsreports.congress.gov/