Colo. Rev. Stat. § 30-20-618
The board shall have power to contract an indebtedness on behalf of the county, and upon the credit thereof, by borrowing money or issuing the negotiable interest-bearing bonds of the county for the purpose of providing a fund to pay such part of the cost of improvements authorized by this part 6 as may be determined by the board, subject, however, to constitutional limitations. No such debt shall be created for such purposes unless the question of incurring the same, including the question of the maximum net effective interest rate, shall be submitted at a special election, which election shall be called and conducted, the votes canvassed, and the result declared in the same manner as other county elections on questions of incurring bonded indebtedness.
C.R.S. § 30-20-618
This section was originally numbered as § 30-20-617 in C.R.S. 1973 but was renumbered on revision in the 1977 replacement volume for ease of location.