SEC. 6. All laws or parts of laws as well as all
executive orders or regulations inconsistent herewith are hereby
repealed or modified accordingly.
Done in the City of Manila, this 1st day of January, in the year of Our Lord, Nineteen Hundred and Eighty.
(Sgd.) FERDINAND E. MARCOS
President of the Philippines
By the President:
(Sgd.) JACOBO C. CLAVE
Presidential Executive Assistant
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 1663 Section 6 (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).