Section 16
SEC. 16. All successful candidates shall be required to take an oath before the Board or any other Government official authorized to administer oaths, prior to engaging in the trade of registered master plumber.
RA 1378 (Plumbing Law) Section 16
SEC. 16. All successful candidates shall be required to take an oath before the Board or any other Government official authorized to administer oaths, prior to engaging in the trade of registered master plumber.
CitationRA 1378 (Plumbing Law) Section 16 (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).