Section 18-18-207 - Schedule V(1) A substance shall be added to schedule V by the general assembly when: (a) The substance has a low potential for abuse relative to substances included in schedule IV;(b) The substance has currently accepted medical use in treatment in the United States; and(c) The abuse of the substance may lead to limited physical dependence or psychological dependence relative to the substances included in schedule IV.(2) Unless specifically excepted by Colorado or federal law or Colorado or federal regulation or more specifically included in another schedule, the following controlled substances are listed in schedule V:(a) Any material, compound, mixture, or preparation containing any of the following narcotic drug and its salts: Buprenorphine;(b) Any compound, mixture, or preparation containing any of the following narcotic drugs, or their salts calculated as the free anhydrous base or alkaloid, in limited quantities as set forth in this paragraph (b), which also contains one or more nonnarcotic active medicinal ingredients in sufficient proportion to confer upon the compound, mixture, or preparation valuable medicinal qualities other than those possessed by the narcotic drug alone: (I) Not more than 200 milligrams of codeine per 100 milliliters or per 100 grams;(II) Not more than 100 milligrams of dihydrocodeine per 100 milliliters or per 100 grams;(III) Not more than 100 milligrams of ethylmorphine per 100 milliliters or per 100 grams;(IV) Not more than 2.5 milligrams of diphenoxylate and not less than 25 micrograms of atropine sulfate per dosage unit;(V) Not more than 100 milligrams of opium per 100 milliliters or per 100 grams;(VI) Not more than 0.5 milligram of difenoxin and not less than 25 micrograms of atropine sulfate per dosage unit;(c) Any material, compound, mixture, or preparation containing any quantity of the following substances having a stimulant effect on the central nervous system, including their salts, isomers, and salts of isomers: Pyrovalerone.L. 92: Entire article R&RE, p. 347, § 1, effective July 1.This section is similar to former § 12-22-313 as it existed prior to 1992.