; (2) the Federal contribution for such a project does not exceed 50 percent of the cost of the project (inclusive of all project costs); and (3) the Chief of the National Guard Bureau notifies the Committees on Armed Services of the Senate and the House of Representatives not less than 15 days before awarding a contract for such a project, which shall include an explanation of the sufficiency of remaining lease term to justify the investment. XXVII Base realignment and closure activities 2701. Authorization of appropriations for base realignment and closure activities funded through Department of Defense Base Closure Account Funds are hereby authorized to be appropriated for fiscal years beginning after September 30, 2023, for base realignment and closure activities, including real property acquisition and military construction projects, as authorized by the Defense Base Closure and Realignment Act of 1990 (part A of title XXIX of Public Law 101–510