C.R.S. § 31-10-1308

(1) The results of an election on any ballot question may be contested in the manner provided by this part 13. The grounds for such contest shall be those grounds set forth in section 31-10-1301 (1)(b), (1)(c), and (1)(d). The contestee shall be the appropriate election official. In addition to other matters required to be set forth by this part 13, the statement of intention to contest the election shall set forth the question contested. (2) Any contest arising out of a ballot issue or ballot question, as defined in section 1-1-104 (2.3) and (2.7), C.R.S., concerning the order on the ballot or concerning whether the form or content of any ballot title meets the requirements of section 20 of article X of the state constitution, shall be conducted as provided in section 1-11-203.5 , C.R.S. (3) The result of an election on any ballot issue, as defined in section 1-1-104 (2.3), C.R.S., approving the creation of any debt or other financial obligation may be contested in the manner provided by this part 13. The grounds for such contest shall be those grounds set forth in sections 1-11-201 (4), C.R.S., and 31-10-1301 (1)(b), (1)(c), and (1)(d). The contestee shall be the municipality for which the ballot issue was decided.