Section 4
SEC. 4. This Act shall take effect upon its approval. Approved, June 22, 1963.
SEC. 4. This Act shall take effect upon its approval. Approved, June 22, 1963.
CitationRA 3813 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).