C.R.S. § 30-35-402

If all the procedures and requirements of this part 4 are complied with, any home rule county is authorized to enact any ordinance which adopts any code by reference, in whole or in part; and such primary code, thus adopted, may in turn adopt by reference, in whole or in part, any secondary codes duly described therein. However, every primary code and every secondary code which is incorporated in any such adopting ordinance shall be specified in the title of the ordinance.