R710-1-8. Portable Fire Extinguisher Rated Classification Labels

(1) Use of Label. Any label bearing the rated classification and listing shall not be placed upon any extinguisher unless specifically authorized by the manufacturer. Any extinguisher, other than carbon dioxide, without this manufacturer's label shall not be serviced. (2) Labels Prohibited. Company labels or advertisement stickers other than those required herein shall not be affixed to fire extinguishers.