C.R.S. § 38-10-112

(1) Except for contracts for the sale of goods which are governed by section 4-2-201 , C.R.S., and lease contracts which are governed by section 4-2.5-201 , C.R.S., in the following cases every agreement shall be void, unless such agreement or some note or memorandum thereof is in writing and subscribed by the party charged therewith: (a) Every agreement that by the terms is not to be performed within one year after the making thereof; (b) Every special promise to answer for the debt, default, or miscarriage of another person; (c) Every agreement, promise, or undertaking made upon consideration of marriage, except mutual promises to marry. (2) Repealed.