(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:
(a) Entered into prior to September 1, 2006; or
(b) Entered into on or after September 1, 2006, that complies with section 14-2-109.5.