; collaboration Not later than 180 days after the date of enactment of this Act, the Administrator, in consultation with the Commissioner of U.S. Customs and Border Protection, shall— (1) review each trusted traveler program administered by U.S. Customs and Border Protection and the PreCheck Program; (2) identify any improvements that can be made to such programs— (A) to streamline and integrate the requirements and operations of such programs to reduce administrative burdens, including applications for inclusion and determining whether a valid credential can satisfy the requirements for another credential; (B) to increase information and data sharing across such programs; and (C) to allow the public to access and link to the applications for enrollment in all of such programs from 1 online portal; (3) identify any law, including regulations, policy, or procedure that may unnecessarily inhibit collaboration among Department of Homeland Security agencies regarding such programs or implementation of the improvements identified under paragraph (2); (4) recommend any legislative, administrative, or other actions that can be taken to eliminate any unnecessary barriers to collaboration or implementation identified in paragraph (3)