9.7.206: POSSESSION OF MARIJUANA:
   A.   Unlawful Possession; Under The Age Of Twenty One: It is unlawful for any person under the age of twenty one (21) years to possess or openly and publicly display one ounce or less of marijuana.
   B.   Unlawful Possession: It is unlawful for any person to possess or openly and publicly display more than one ounce but not more than twelve (12) ounces of marijuana.
   C.   Marijuana Defined: As used in this section and sections 9.7.207 and 9.7.208 of this part, "marijuana" means and includes: All parts of the plant Cannabis sativa L., whether growing or not, the seeds thereof, the resin extracted from any part of such plant, and every compound, manufacture, salt, derivative, mixture or preparation of such plant, its seeds or its resin. "Marijuana" does not include fiber produced from the stalks, oil or cake made from the seeds of the plant, or the sterilized seed of the plant which is incapable of germination, if these items exist apart from any other item defined as "marijuana" in this subsection. "Marijuana" does not include "marijuana concentrate" as defined in this subsection. "Marijuana concentrate" shall mean hashish, tetrahydrocannabinol, or any alkaloid, salt, derivative, preparation, compound, or mixture, whether natural or synthesized, of tetrahydrocannabinol.
   D.   Evidence: In addition to any other competent evidence identifying a substance as marijuana, results of the field test known as the "Duquenois-Levine Reagent System" shall be admissible in evidence and shall be prima facie evidence of whether or not the substance tested was marijuana. (Ord. 90-25; Ord. 01-42; Ord. 03-105; Ord. 13-18)