I One Hundred Eighteenth Congress of the United States of America At the First Session Begun and held at the City of Washington on Tuesday, the third day of January, two thousand and twenty-three H. R. 6503 AN ACT To amend title 49, United States Code, to extend authorizations for the airport improvement program, to amend the Internal Revenue Code of 1986 to extend the funding and expenditure authority of the Airport and Airway Trust Fund, and for other purposes.