Section 147Omnibus Election Code of the Philippines (Batas Pambansa Blg. 881), Sec. 147

Examination of registration records. - All registration records in the possession of the city or municipal election registrar, the provincial election supervisor, and the Commission shall, during regular office hours, be open to examination by the public with legitimate inquiries for purposes of election.

Law enforcement agencies shall, upon prior authorization by the Commission, have access to said registration records should the same be necessary to, or in aid of, their investigative functions and duties, subject to regulations promulgated by the Commission.