C.R.S. § 31-16-108
31-16-108. Majority of all members required - record
31-16-108. Majority of all members required - record. On the adoption of an ordinance, resolution, or order for the appropriation of money or the entering into of a contract by the governing body of any city or town, the yeas and nays shall be called and recorded, and the concurrence of a majority of the governing body shall be required.