5 C.F.R. § 536.310
(a) Notwithstanding §§ 536.304(b)(3) and 536.306(a), an employee who is receiving a retained rate in excess of Executive Schedule level IV on January 1, 2012, consistent with the Non-Foreign Retirement Equity Assurance Act of 2009 (subtitle B of title XIX of Pub. L. 111-84), may continue to receive a retained rate higher than Executive Schedule level IV until—
(b) Notwithstanding 5 U.S.C. 5361(1) and § 536.102(b)(2), an employee who is employed on a temporary or term basis is not barred from receiving a retained rate if such employee—
[76 FR 68634, Nov. 7, 2011]