Administrative Code of 1987/Book I/Chapter 5
Chapter 5—Operation and Effect of Laws
Sec. 18. When Laws Take Effect.—Laws shall take effect after fifteen (15) days following the completion of their publication in the Official Gazette or in a newspaper of general circulation, unless it is otherwise provided.
Sec. 19. Prospectivity.—Laws shall have prospective effect unless the contrary is expressly provided.
Sec. 20. Interpretation of Laws and Administrative Issuances.—In the interpretation of a law or administrative issuance promulgated in all the official languages, the English text shall control, unless otherwise specifically provided. In case of ambiguity, omission or mistake, the other texts may be consulted.
Sec. 21. No Implied Revival of Repealed Law.—When a law which expressly repeals a prior law is itself repealed, the law first repealed shall not be thereby revived unless expressly so provided.
Sec. 22. Revival of Law Impliedly Repealed.—When a law which impliedly repeals a prior law is itself repealed, the prior law shall thereby be revived, unless the repealing law provides otherwise.
Sec. 23. Ignorance of the Law.—Ignorance of the law excuses no one from compliance therewith.
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