Section 31Republic Act No. 2260, as amended, and as organized under the Integrated Reorganization Plan may serve as the nucleus of the Civil Service Commission., Sec./Art. 31

Performance Evaluation System. There shall be established a performance evaluation system, which shall be administered in accordance with rules, regulations and standards promulgated by the Commission for all officers and employees in the career service. Such performance evaluation system shall be administered in such manner as to continually foster the improvement of individual employee efficiency and organizational effectiveness.

Each department or agency may, after consultation with the Commission, establish and use one or more performance evaluation plans appropriate to the various groups of positions in the department or agency concerned. No performance evaluation shall be given, or used as a basis for personnel action, except under an approved performance evaluation plan: Provided, That each employee shall be informed periodically by his supervisor of his performance evaluation.