C.R.S. § 14-2-109.5: Common law marriage - age restrictions.

(1) A common law marriage entered into on or after September 1, 2006, shall not be recognized as a valid marriage in this state unless, at the time the common law marriage is entered into:

(a) Each party is eighteen years of age or older; and

(b) The marriage is not prohibited, as provided in section 14-2-110.

(2) Notwithstanding the provisions of section 14-2-112, a common law marriage contracted within or outside this state on or after September 1, 2006, that does not satisfy the requirements specified in subsection (1) of this section shall not be recognized as valid in this state.