Section 4
SEC. 4. The Board shall administer the provision this Act; issue, suspend or revoke certificates of registration of master plumbers; and administer oaths in connection with such certificates of registration. In carrying into effect the provisions of this Act the Board may, under the hand of its chairman and the seal of the Board, issue subpoena and subpoena duces to compel the attendance of witnesses and require the production of books, documents, and similar evidence in a case involving violation of any of the provisions of this Act. Any member of the Board may administer oaths or affirmations to witnesses appearing before it. If any person shall refuse to obey any subpoena or subpoena duces tecum so issued, or shall refuse to testify or produce any book, record, or document, the Board may present its petition to the Court of First Instance, setting forth the facts, and thereupon such court shall, in a proper case, issue its subpoena to such person, requiring his appearance before such court and there to testify or produce such books, records or documents, as may be deemed necessary and pertinent by the Board. Any person failing or refusing to obey the subpoena or subpoena duces tecum or order of the said court may be proceeded against in the same manner as for refusal to obey any other subpoena or subpoena duces tecum or order of the court. The Board shall, from time to time, look into conditions affecting the trade of master plumber in the Philippines, and whenever necessary, recommend to the President of the Philippines the adoption of such rules and regulations as may be deemed proper for the maintenance of good ethics and standards in the trade and for the protection of public welfare, life, health, and property.