Section 7
SEC. 7. Holders of a sponge concession shall have the privilege of erecting the necessary plant for the development and exploitation of the sponge industry such as houses, drying racks, corrals, landings, etc., on the shore convenient to the concession for the proper curing of sponges: Provided, however, That the previous approval of the Secretary of Commerce and Police should be had in accordance with the provisions of Act Numbered Sixteen hundred and fifty-four before erecting structures herein referred to.