Section 391-J - Sale of fire extinguishers1. It shall be unlawful for any person, firm or corporation to sell or offer for sale fire extinguishers unless the fire extinguishers offered for sale: a. Meet the current National Fire Protection Association standards for fire extinguishers of the model offered for sale and are labelled as having met such standards;b. Have been tested and approved by the Underwriters Laboratory, Factory Mutual or other nationally accredited or accepted testing laboratory and are labelled as having been tested and approved;c. Have labelling securely affixed containing the following information: (1) Operating instructions.(2) The class or rating identifying kinds of fires which the particular extinguisher is suitable to use. This information shall be presented by use of the appropriate letter rating and pictorial marking representations.d. Are accompanied with an instructional manual that has information detailing operational use, basic fire safety information, information on how and where to have the extinguisher serviced or recharged by an authorized dealer or refer the customer to his local fire department and any information pertaining to checking the extinguisher's contents for operational use by the owner.2. A knowing violation of this section shall be punishable by a civil penalty not to exceed five hundred dollars for a first violation and ten thousand dollars for each succeeding violation.N.Y. Gen. Bus. Law § 391-J