The Gulf Security and Iran Sanctions Enforcement Act, recently introduced by Representatives Ron Klein (D-FL) and Mark Kirk (R-IL), and Senators Kirsten Gillibrand (D-NY) and Ben Cardin (D-MD), requires companies bidding on these energy leases to disclose that neither they nor their partners are in violation of U.S. sanctions laws or doing business with entities the U.S. Treasury identifies as under Iranian government control.