; and (4) entities authorized to operate an unmanned aircraft traffic management system or service pursuant to section 45506 or 45507. 90303. Role of Secretary in transferring air traffic services to Corporation (a) In general As appropriate, and except as otherwise provided, the Secretary shall manage and execute the transfer of operational control over air traffic services pursuant to section 90302(a) and any related transition processes and procedures. (b) Nondelegation Except as otherwise provided, the Secretary may not delegate any of the authority or requirements under this subtitle to the Administrator. 90304. Status and applicable laws (a) Non-Federal entity The Corporation is not a department, agency, or instrumentality of the United States Government, and is not subject to title 31. (b) Liability The United States Government shall not be liable for the actions or inactions of the Corporation. (c) Not-For-Profit corporation The Corporation shall maintain its status as a not-for-profit corporation exempt from taxation under the Internal Revenue Code of 1986. (d) No Federal guarantee Any debt assumed by the Corporation shall not have an implied or explicit Federal guarantee. 90305. Nomination Panels for Board (a) In general The Nomination Panels described in subsection (b) shall be responsible for nominating individuals to serve as Directors pursuant to section 90306. (b) Nomination Panels The Nomination Panels shall be as follows: (1) Passenger Air Carrier Nomination Panel A Passenger Air Carrier Nomination Panel composed of passenger air carrier representatives, with each air carrier with more than 30,000,000 annual passenger enplanements designating 1 representative to the Panel. (2) Cargo Air Carrier Nomination Panel A Cargo Air Carrier Nomination Panel composed of cargo air carrier representatives, with each all-cargo air carrier with more than 1,000,000 total annual enplaned cargo revenue tons designating 1 representative to the Panel. (3) Regional Air Carrier Nomination Panel A Regional Air Carrier