C.R.S. § 38-31-201
38-31-201. Tenancy by the entirety
38-31-201. Tenancy by the entirety. (1) No conveyance of real property located in this state executed before or after July 1, 2006, shall create a tenancy by the entirety.
(2) A conveyance of real property located in this state executed before July 1, 2006, that purports to create a tenancy by the entirety shall be presumed to create a joint tenancy.
(3) A conveyance of real property located in this state executed on or after July 1, 2006, that purports to create a tenancy by the entirety shall create a joint tenancy.