Preamble
GRANTING THE PILIPINO TELEPHONE CORPORATION A FRANCHISE TO INSTALL, OPERATE AND MAINTAIN TELEPHONE SYSTEMS IN AND BETWEEN THE PROVINCES, CITIES AND MUNICIPALITIES IN THE BICOL PROVINCES AND MINDANAO."
RA 6531 Preamble
GRANTING THE PILIPINO TELEPHONE CORPORATION A FRANCHISE TO INSTALL, OPERATE AND MAINTAIN TELEPHONE SYSTEMS IN AND BETWEEN THE PROVINCES, CITIES AND MUNICIPALITIES IN THE BICOL PROVINCES AND MINDANAO."
CitationRA 6531 Preamble (LawPlayer, data as of July 4, 2026)
Source: Supreme Court E-Library, Republic of the Philippines. Philippine laws are public documents (works of the government).