1. Class 1. A fully licensed dealer who is engaged in the business of installing equipment for the use of LPG and who sells, fills, refills, delivers, or is permitted to deliver any LPG.
2. Class 2. A business engaged in the sale, transportation and exchange of cylinders, but not in transporting or transferring gas in liquid bulk.
3. Class 3. A business not engaged in the sale of LPG, but engaged in the sale and installation of gas-consuming appliances, piping, apparatuses, fixtures and connections.
4. Class 4. A business which operates one or more dispensers at a fixed location for the resale of propane to the public.
5. Class 5. Any other business engaged in activities relating to LPG which the Board determines requires a special license.
(Added to NRS by 1957, 480; A 1960, 108; 1983, 1234)