The commissioner is authorized to take samples of all petroleum products and all substitutes for such petroleum products offered for sale, consumption, or distribution in this state. These samples may be taken from any commercial weighing or measuring device used in the sale or distribution of petroleum products, or from vehicle tanks used in the transporting of such products, or from any storage tank containing petroleum products intended for distribution, sale, or consumption in Louisiana.
La. R.S. § 3:4678