The term HAMAS means:
Note 1 to § 594.319 : The SDN List is accessible through the following page on OFAC's website: www.treasury.gov/sdn. Additional information pertaining to the SDN List can be found in appendix A to this chapter. Persons on the SDN List based on conduct described in § 594.201(a)(9), (10), (11) are identified by a special reference at the end of their entries on the SDN List-"[SHIELD-ACT]"-in addition to the reference to the regulatory part of this chapter pursuant to which their property and interests in property are blocked. For example, a person whose property and interests in property are blocked pursuant to the Global Terrorism Sanctions Regulations, § 594.201(a)(9), (10), or (11) , and identified on the SDN List will have the program tag "[SDGT]" and "[SHIELD-ACT]."
31 C.F.R. §594.319