Section 43
SEC. 43. No appropriator of water shall at any time make use of the same for any other purpose than that for which it was appropriated, nor make any change in the place of diversion, storage, use, or restoration, nor in the works necessary for the use of the same, except upon the approval of the Secretary of Commerce and Police in the manner prescribed in section forty hereof: Provided, however, That no such change shall at any time be approved when the same shall act to the detriment of existing rights. In the event of the approval of changes in the work's necessary for the use of the water, such changes will be made upon approved plans, and subject to the inspection of the Director of Public Works, as provided in section seventeen hereof. Any failure to conform to the requirements laid down in this section shall be punishable as a misdemeanor under this Act.