consideration of the circumstances in which the services of air ambulance operators are used. (7) Protections of proprietary cost data from inappropriate public disclosure. (8) Such other matters as the Secretary determines necessary or appropriate. (d) Report Not later than 180 days after the date of the first meeting of the advisory committee, the advisory committee shall submit to the Secretary, the Committee on Transportation and Infrastructure of the House of Representatives, and the Committee on Commerce, Science, and Transportation of the Senate a report containing the recommendations made under subsection (c). (e) Rulemaking Not later than 180 days after the date of receipt of the report under subsection (d), the Secretary shall consider the recommendations of the advisory committee and issue a final rule— (1) to require air ambulance operators to clearly disclose charges for air transportation services separately from charges for non-air transportation services within any invoice or bill