; (B) changes in the skills and tools necessary to perform transportation accident investigations; and (C) such other considerations as the Director, Administrator, or Chairman determines appropriate. 1223. Review of National Transportation Safety Board procurements Not later than 18 months after the date of enactment of this Act, the Comptroller General shall, pursuant to section 1138 of title 49, United States Code, submit to the appropriate committees of Congress a report regarding the procurement and contracting planning, practices, and policies of the National Transportation Safety Board, including such planning, practices, and policies regarding sole-source contracts. XIII Revenue Provisions 1301. Expenditure authority from airport and airway trust fund (a) In general Section 9502(d)(1) of the Internal Revenue Code of 1986 is amended— (1) in the matter preceding subparagraph (A) by striking May 11, 2024 and inserting October 1, 2028 ; and (2) in subparagraph (A) by striking the semicolon at the end and inserting or the FAA Reauthorization Act of 2024