(e) Agreement (1) In general The Secretary of Transportation, in consultation with the Secretary of Homeland Security, may enter into a cooperative agreement (as that term is defined in section 6305 of title 31, United States Code) with an entity upon such terms and conditions as the Secretary of Transportation determines will fulfill the purpose and requirements of this section and be in the public interest. Such agreement shall, at a minimum, require the Secretary of Transportation to— (A) authorize the entity to sell timing and other services to commercial and non-commercial third parties, subject to any national security requirements determined by the Secretary, in consultation with the Secretary of Defense