5 CFR 300.601 : Administrative Personnel (§ 1.1 To Parts 10003-10049) — (§ 1.1 To Parts 631-699) — Office Of Personnel Management (§ 1.1 To Parts 631-699) — Civil Service Regulations (§ 110.101 To Parts 631-699) — Employment (General) (§ 300.101 To § 300.707) — Time-In-Grade Restrictions (§ 300.601 To § 300.606) — Purpose.

The restrictions in this subpart are intended to prevent excessively rapid promotions in competitive service General Schedule positions and to protect competitive principles. They provide a budgetary control on promotion rates and help assure that appointments are made from appropriate registers. These restrictions are in addition to the eligibility requirements for promotion in part 335 of this chapter.