; and (2) to provide other consumer protections for customers of air ambulance operators. (b) Composition of the advisory committee The advisory committee shall be composed of the following members: (1) The Secretary of Transportation. (2) One representative, to be appointed by the Secretary, of each of the following: (A) Each relevant Federal agency, as determined by the Secretary. (B) State insurance regulators. (C) Health insurance providers. (D) Consumer groups. (3) Three representatives, to be appointed by the Secretary, to represent the various segments of the air ambulance industry. (c) Recommendations The advisory committee shall make recommendations with respect to each of the following: (1) Cost-allocation methodologies needed to ensure that charges for air transportation services are separated from charges for non-air transportation services. (2) Cost- or price-allocation methodologies to prevent commingling of charges for air transportation services and charges for non-air transportation services in bills and invoices. (3) Formats for bills and invoices to ensure that customers and State insurance regulators can clearly distinguish between charges for air transportation services and charges for non-air transportation services. (4) Data or industry references related to aircraft operating costs to be used in determining the proper allocation of charges for air transportation services and charges for non-air transportation services. (5) Guidance materials to instruct States, political subdivisions of States, and political authorities of 2 or more States on referring to the Secretary allegations of unfair or deceptive practices or unfair methods of competition by air ambulance operators. (6) Protections for customers of air ambulance operators, after 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)