WHEREAS, there is a necessity to insure the orderly
recording and keeping of mining instruments and documents required or
allowed to be registered under Commonwealth Act No. 137, as amended, and
its implementing rules and regulations;
NOW, THEREFORE, I, FERDINAND E. MARCOS, President of the
Philippines, by virtue of the powers vested in me by the Constitution,
do hereby order and decree:
Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗ · Data as of July 4, 2026
CitationPD 513 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).