Preamble
GENERAL PROVISIONS CONCESSIONS NON-EXCLUSIVE EXPLORATION PERMIT EXPLORATION CONCESSION EXPLOITATION CONCESSION REFINING CONCESSION PIPE LINE CONCESSION PENALTIES AND EXTINCTION OF RIGHTS OFFICIALS IN CHARGE AND DUTIES FINAL PROVISIONS
GENERAL PROVISIONS CONCESSIONS NON-EXCLUSIVE EXPLORATION PERMIT EXPLORATION CONCESSION EXPLOITATION CONCESSION REFINING CONCESSION PIPE LINE CONCESSION PENALTIES AND EXTINCTION OF RIGHTS OFFICIALS IN CHARGE AND DUTIES FINAL PROVISIONS
CitationRA 387 Preamble (LawPlayer, data as of 2026-07-04)
Source: Supreme Court E-Library, Republic of the Philippines. Philippine laws are public documents (works of the government).