SECTION 2. This Decree shall take
effect beginning calendar year 1980.
Done in the City of Manila, this 28th 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.) JUAN C.
TUVERA
Presidential 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 1671 Section 2 (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).