License to Service or Repair Portable Fire Extinguishers. A license shall be obtained from the State Fire Marshal's Office by every individual, firm, or corporation commercially servicing, repairing, filling, or refilling portable fire extinguishers, except fire departments. Sale of Portable Fire Extinguishers. It is unlawful for a person, directly or through an agent, to sell or offer for sale in the State any make, type, or model of portable fire extinguisher, either new or used, unless the make, type, or model of extinguisher has been tested and listed by a testing laboratory accepted by the State Fire Marshal. An extinguisher is not approved even if it bears the label of an accepted testing laboratory if it contains any of the following liquids: Carbon tetrachloride, chlorobromomethane, azeotrophic chloromethane, dibromodifluoromethane, 1,2-dibromo-2-chloro-1,2-trifluoroethane; 1,2-dibromo-2,2-difluoroethane, methyl bromide, ethylene dibromide; 1,2-dibromotetrafluoroethane, hydrogen bromide, methylene bromide, bromodifluoromethane, dichlorodifluoromethane; or Any other toxic or poisonous liquid.