Section 1
SECTION 1. Each ministry, bureau or office of the Government shall have the power to promulgate such rules and regulations as shall be necessary for the effective implementation of the provisions of laws, decrees, orders or instructions pertaining to such ministry, bureau or office or which it is in charged of enforcing, unless the contrary is specifically provided. Such rules and regulations shall be subject to approval by the President of the Philippines and shall take effect upon such approval: Provided, that rules and regulations referred to in Section 2 of this Decree shall take effect fifteen days after their publication in the Official Gazette.