(1) Except as otherwise provided in subsection (3) of this section, a marriage is valid in this state if:
(a) It is licensed, solemnized, and registered as provided in this part 1; and
(b) It is only between one man and one woman.
(2) Notwithstanding the provisions of section 14-2-112, any marriage contracted within or outside this state that does not satisfy paragraph (b) of subsection (1) of this section shall not be recognized as valid in this state.
(3) Nothing in this section shall be deemed to repeal or render invalid any otherwise valid common law marriage between one man and one woman.
(Colorado Revised Statutes Ann. Section 14-2-104)
Only the union of one man and one woman shall be valid or recognized as a marriage in the state of Colorado.
(Colorado Constitution, Amendment #43, approved by 56% of voters on Tuesday, November 7, 2006)
Currently no applicable litigation