Omnibus Election Code
Section 265. Prosecution. - The Commission shall, through its duly authorized legal officers, have the exclusive power to conduct preliminary investigation of all election offenses punishable under this Code, and to prosecute the same. The Commission may avail of the assistance of other prosecuting arms of the government: Provided, however, That in the event that the Commission fails to act on any complaint within four months from his filing, the complainant may file the complaint with the office of the fiscal or with the Ministry of Justice for proper investigation and prosecution, if warranted.