Section 30Local Government Code of 1991 (Republic Act No. 7160), Sec. 30

Review of Executive Orders. -

(a) Except as otherwise provided under the Constitution and special statutes, the governor shall review all executive orders promulgated by the component city or municipal mayor within his jurisdiction. The city or municipal mayor shall review all executive orders promulgated by the punong barangay within his jurisdiction. Copies of such orders shall be forwarded to the governor or the city or municipal mayor, as the case may be, within three (3) days from their issuance. In all instances of review, the local chief executive concerned shall ensure that such executive orders are within the powers granted by law and in conformity with provincial, city, or municipal ordinances.

(b) If the governor or the city or municipal mayor fails to act on said executive orders within thirty (30) days after their submission, the same shall be deemed consistent with law and therefore valid.