Colo. Const. art. X, § 7
The general assembly shall not impose taxes for the purposes of any county, city, town or other municipal corporation, but may by law, vest in the corporate authorities thereof respectively, the power to assess and collect taxes for all purposes of such corporation.
Source: Entire article added, effective August 1, 1876, see L. 1877, p. 58.
Cross references: For the authority of the general assembly to levy income taxes for the support of the state, see § 17 of this article; for county and municipal sales or use tax, see article 2 of title 29; for powers of municipalities to levy taxes, see part 1 of article 20 of title 31.