; or (2) was not ordered following the completion of binding arbitration pursuant to section 7119(b)(2) of title 5, United States Code. (b) Any collective bargaining agreement that was in effect before April 30, 2019, or that expired before April 30, 2019, without a new agreement having been executed, shall remain in full force and effect until a new collective bargaining agreement reached through mutual and voluntary agreement, or ordered following the completion of binding arbitration pursuant to such section 7119(b)(2), becomes effective. 750. (a) During fiscal year 2020, with respect to budget authority proposed to be rescinded or that is set to be reserved or proposed to be deferred in a special message transmitted under section 1012 or 1013 of the Congressional Budget and Impoundment Control Act of 1974, such budget authority shall be made available for obligation in sufficient time to be prudently obligated as required under section 1012(b) or 1013 of such Act, and may not be deferred or otherwise withheld from obligation during the 60-day period before the expiration of the period of availability of such budget authority, including, if applicable, the 60-day period before the expiration of an initial period of availability for which such budget authority was provided. (b) As used in this section, the term “budget authority”, includes budget authority made available by this or any other Act, by prior appropriations Acts, or by any law other than an appropriations Act. (c) (1) The Comptroller General shall review and make a report on compliance with this section and provide any relevant information related to such report to the Committees on Appropriations and on the Budget of both Houses of Congress at the same time as any review required by section 1014 or 1015 of the Congressional Budget and Impoundment Control Act of 1974 is transmitted to the Congress. (2) The President shall provide information and documentation to the Comptroller General, as is determined by the Comptroller General to be necessary to