; and (2) employees that make the election under section 91102(b)(1)(A)(ii). (d) Protections for employees not transferred to Corporation For those employees of the FAA directly involved in the operation of air traffic services who are not transferred to the Corporation pursuant to subsection (a) or who transferred back to the FAA pursuant to subsection (b), the Secretary shall provide to such employees compensation and benefits consistent with the applicable collective-bargaining agreement that are not less than the level of compensation and benefits provided to such FAA employees prior to the date of transfer unless mutually agreed to by the FAA and representatives of the certified labor organization. (e) Suitability, clearances, and medical qualifications All federally issued or federally required credentials, certificates, clearances, medical qualifications, access rights, substance testing results, and any other Federal permissions or approvals held by any employee of the FAA in the operation of air traffic services that are valid and effective on the day prior to the date of transfer shall remain valid and effective after the date of transfer— (1) unless revoked for cause