Section 4
SEC. 4. The necessary rules and regulations implementing the provisions of this Decree shall be contained in a Letter of Implementation to be issued for the purpose.
PD 454 Section 4
SEC. 4. The necessary rules and regulations implementing the provisions of this Decree shall be contained in a Letter of Implementation to be issued for the purpose.
CitationPD 454 Section 4 (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).