Colo. Rev. Stat. § 42-1-226
There is hereby created in the state treasury the disabled parking education and enforcement fund, which consists of money collected pursuant to this section and section 42-4-1208 (6) and (7). The general assembly shall appropriate the money in the fund for the purposes specified in sections 42-1-227, 42-3-204, and 42-4-1208. Unexpended and unencumbered money in the fund at the end of a fiscal year remains in the fund and shall not be credited or transferred to the general fund or another fund. The department may accept gifts, grants, or donations from private or public sources for the purposes of this section. All private and public money received through gifts, grants, or donations must be transmitted to the state treasurer, who shall credit the money to the fund.
C.R.S. § 42-1-226