C.R.S. § 32-22-112

The district may invest or deposit any money of the district in the manner provided by part 6 of article 75 of title 24 . In addition, the district may direct a corporate trustee that holds district money to invest or deposit the money in investments or deposits other than those specified by said part 6 if the board determines, by resolution, that the investment or deposit meets the standard established in section 15-1-304 , the income is at least comparable to income available on investments or deposits specified by said part 6, and the investment will assist the district in the financing, construction, operation, or maintenance of a passenger rail system.