D.C. Code § 1-613.51

There is established a comprehensive performance management system designed to:

(1) Inform employees of work expectations;

(2) Hold employees accountable for their performance, which shall include a direct relationship between the rating received pursuant to § 1-613.52 and the receipt of any periodic step increase or of any performance based increase that may be established under the compensation system authorized by subchapter XI;

(3) Objectively evaluate employees’ work performance based on criteria that have been made known to the employees;

(4) Improve employee performance through training;

(5) Recognize employee accomplishment; and

(6) Include customer satisfaction as an evaluation factor.