Omnibus Election Code
Section 242. Commission's exclusive jurisdiction of all pre-proclamation controversies. - The Commission shall have exclusive jurisdiction of all pre-proclamation controversies. It may motu proprio or upon written petition, and after due notice and hearing, order the partial or total suspension of the proclamation of any candidate-elect or annual partially or totally any proclamation, if one has been made, as the evidence shall warrant in accordance with the succeeding sections.