On December 31, 2015, the US Treasury Department, Office of Foreign Assets Control (OFAC) issued the Cyber-Related Sanctions Regulations (CRSR), 31 C.F.R. Part 578. The CRSR formally implement the sanctions set forth in Executive Order (EO) 13694 of April 1, 2015, which authorizes sanctions against persons involved in malicious “cyber-enabled” activities, and are effective immediately.