Section 2
SEC. 2. It shall be unlawful for any person, whether as principal or agent, to manufacture, import, sell, offer for sale, or expose for sale, in the Philippine Islands any galvanized iron, unless each and every sheet thereof is indelibly, conspicuously, and plainly marked or stamped with a mark or stamp showing the gauge and size of the sheet and the amount of zinc coating, as well as the name and address of the manufacturer and a brand registered with the Bureau of Commerce and Industry, if so registered. The amount of zinc coating shall be expressed in ounces avoirdupois per square foot and the gauges shall be as follows: Gauge Weight per square foot ounces avoirdupois 18 34.5 19 30.5 20 26.5 21 24.5 22 22.5 23 20.5 24 18.5 25 16.5 26 14.5 27 13.5 28 ` 12.5 29 11.5 30 10.5 31 9.5 32 9.0 Provided, however, That the method of expressing the amount of zinc coating and the specifications for the various gauges may, upon the recommendation of the Secretary of Agriculture and Natural Resources, be changed by executive order of the Governor-General to conform to standard practices. It shall be the duty of the Secretary of Agriculture and Natural Resources to specify from time to time such tolerances as may be allowed in gauge and in zinc coating and to prescribe methods for testing. The possession of any galvanized iron not properly labeled as provided in this Act by any person dealing in said articles shall be considered prima facie evidence that the same is kept by such person in violation of the provisions of this Act and shall be punishable under it.