5 CFR 531.401 - Principal authorities.
The following are the principal authorities for the regulations in this subpart:
(c) Section 5338 of title 5, United States Code, provides that “The Office of Personnel Management may prescribe regulations necessary for the administration” of General Schedule pay rates, including within-grade increases.
(d) Section 4 of the Performance Management and Recognition System Termination Act of 1993 ( Pub. L. 103-89) provides that “the Office of Personnel Management shall prescribe regulations necessary for the administration of this section.”