Appointment and tenure of commission members: fixed term limits, recruitment from serving officers and restricted reappointment eligibility. Rules restrict appointment to the Commission's Chairman, Vice Chairmen and Members to specified serving officers and require Central Government appointment on Selection Committee recommendation; appointees from central service must retire before joining and retain pension and retirement entitlements, subject to leave encashment limits. Terms are fixed with prohibition on reappointment, pay and allowances correspond to specified scales and Group A equivalence with pension offsets, entitlement to General Provident Fund contribution, and ancillary service conditions aligned with Group A officers; the Central Government has final interpretive and relaxation powers.