; (2) in paragraph (1), by striking nonhub ; and (3) in paragraph (6), by striking Not later than 180 days after the date of enactment of this subsection, the and inserting The . 122. Future aviation infrastructure and financing study (a) Future aviation infrastructure and financing study Not later than 60 days after the date of enactment of this Act, the Secretary of Transportation shall enter into an agreement with a qualified organization to conduct a study assessing the infrastructure needs of airports and existing financial resources for commercial service airports and make recommendations on the actions needed to upgrade the national aviation infrastructure system to meet the growing and shifting demands of the 21st century. (b) Consultation In carrying out the study, the qualified organization shall convene and consult with a panel of national experts, including representatives of— (1) nonhub airports; (2) small hub airports; (3) medium hub airports; (4) large hub airports; (5) airports with international service; (6) nonprimary airports; (7) local elected officials; (8) relevant labor organizations; (9) passengers; (10) air carriers; (11) the tourism industry; and (12) the business travel industry. (c) Considerations In carrying out the study, the qualified organization shall consider— (1) the ability of airport infrastructure to meet current and projected passenger volumes; (2) the available financial tools and resources for airports of different sizes; (3) the available financing tools and resources for airports in rural areas; (4) the current debt held by airports, and its impact on future construction and capacity needs; (5) the impact of capacity constraints on passengers and ticket prices; (6) the purchasing power of the passenger facility charge from the last increase in 2000 to the year of enactment of this Act; (7) the impact to passengers and airports of indexing the passenger facility charge for inflation; (8) how long airports are constrained with current passenger facility charge collections