The sale of cyanide (sodium cyanide and potassium cyanide) in small quantities as fumigants shall be registered and the purchaser required to state the use for which the cyanide is required and sign for the cyanide under similar conditions and statutes as those governing the sale of other poisons or narcotics.
(1957 Rev. Ords., § 7.509; 1992 Code, § 31-9)