Reducing Waste and Increasing Efficiency in Trade Act - Amends the Tariff Act of 1930 to require the Secretary of the Treasury to work with the head of each agency participating in the International Trade Data System (ITDS) and the Interagency Steering Committee to ensure that each such agency, among other duties, develops and maintains the necessary information technology infrastructure to support the operation of the ITDS, submit all data to the ITDS electronically, and arrange to share information between each agency and the U.S. Customs and Border Protection (CBP) Agency.