Rules on Civil Procedure
Section 4. Period of appeal. - The appeal shall be taken within fifteen (15) days from notice of the award, judgment, final order or resolution, or from the date of its last publication, if publication is required by law for its effectivity, or of the denial of petitioner's motion for new trial or reconsideration duly filed in accordance with the governing law of the court or agency a quo. Only one (1) motion for reconsideration shall be allowed. Upon proper motion and the payment of the full amount of the docket fee before the expiration of the reglementary period, the Court of Appeals may grant an additional period of fifteen (15) days only within which to file the petition for review. No further extension shall be granted except for the most compelling reason and in no case to exceed fifteen (15) days. (n)