1987 Constitution of the Philippines
Section 7. Each Commission shall decide by a majority vote of all its Members, any case or matter brought before it within sixty days from the date of its submission for decision or resolution. A case or matter is deemed submitted for decision or resolution upon the filing of the last pleading, brief, or memorandum required by the rules of the Commission or by the Commission itself. Unless otherwise provided by this Constitution or by law, any decision, order, or ruling of each Commission may be brought to the Supreme Court on certiorari by the aggrieved party within thirty days from receipt of a copy thereof.