No dealer shall sell or transfer any chemically treated paper unless such dealer:shall maintain complete and accurate record of all stock of such paper in hand; and shall maintain complete and accurate record of all such stock sold or transferred, to include:the verified name and address of the purchaser or transferee; the amount of such paper sold or transferred; the purpose for which such paper was procured; and the signature of the purchaser or transferee or his authorized agent. Thereafter, such record shall be maintained for 3 years. Any person who purchases or receives any chemically treated paper shall maintain complete and accurate record of all such paper purchased or received, to include:the name of the dealer or supplier; the date of purchase or transfer; the amount of such paper supplied; and the specific purpose for which such paper was obtained. Thereafter such record shall be maintained for 3 years. City Code, 1976/83, art. 19, §8(c) Ord. 79-1191