Section 18
SEC. 18. This Act shall take effect upon its approval. Approved, June 22, 1963.
RA 3661 Section 18
SEC. 18. This Act shall take effect upon its approval. Approved, June 22, 1963.
CitationRA 3661 Section 18 (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).