5 CFR § 337.303 - Agency responsibilities.
To use a category rating procedure, agencies must:
(a) Establish a system for evaluating applicants that provides for two or more quality categories;
(b) Define each quality category through job analysis conducted in accordance with the “Uniform Guidelines on Employee Selection Procedures” at 29 CFR part 1607 and part 300 of this chapter. Each category must have a clear definition that distinguishes it from other categories;
(c) Describe each quality category in the job announcement and apply the provisions of part 330, subparts B, F, and G of this chapter;
(d) Place applicants into categories based upon their job-related competencies or their knowledge, skills, and abilities; and
(e) Establish documentation and record keeping procedures for reconstruction purposes.