Section 56Local Government Code of 1991 (Republic Act No. 7160), Sec. 56

Review of Component City and Municipal Ordinances or Resolutions by the Sangguniang Panlalawigan.

(a) Within three (3) days after approval, the secretary to the sanggunian panlungsod or sangguniang bayan shall forward to the sangguniang panlalawigan for review, copies of approved ordinances and the resolutions approving the local development plans and public investment programs formulated by the local development councils.

(b) Within thirty (30) days after the receipt of copies of such ordinances and resolutions, the sangguniang panlalawigan shall examine the documents or transmit them to the provincial attorney, or if there be none, to the provincial prosecutor for prompt examination. The provincial attorney or provincial prosecutor shall, within a period of ten (10) days from receipt of the documents, inform the sangguniang panlalawigan in writing of his comments or recommendations, which may be considered by the sangguniang panlalawigan in making its decision.

(c) If the sangguniang panlalawigan finds that such an ordinance or resolution is beyond the power conferred upon the sangguniang panlungsod or sangguniang bayan concerned, it shall declare such ordinance or resolution invalid in whole or in part. The sangguniang panlalawigan shall enter its action in the minutes and shall advise the corresponding city or municipal authorities of the action it has taken.

(d) If no action has been taken by the sangguniang panlalawigan within thirty (30) days after submission of such an ordinance or resolution, the same shall be presumed consistent with law and therefore valid.