How long can we file for Petition for Certiorari before the Supreme Court (SC) for any decisions/resolutions issued by the Commission on Audit?

Any decision, order or resolution of the Commission may be brought to the Supreme Court on certiorari by the aggrieved party within thirty (30) days from receipt of a copy thereof in the manner provided by law and the Rules of Court.

(Section 1. Rule XII, RRPC)