as "a personal relation arising out of a civil contract, to which the consent of parties capable of making it is necessary." Section VI states that "any member of the Cheyenne River Sioux Tribe eligible by age and otherwise as hereinafter defined may obtain marriage licenses from the Agency Office". The subsequent conditions do not mention sex, except that the age of consent is different for males and females. Chitimacha Tribe of Louisiana The Constitution and Comprehensive Codes of Justice of the Chitimacha Tribe of Louisiana state that for a man and a woman to be married they must be 16 years of age, be able to give consent, or must obtain parental consent. Section 202 prohibits marriages within certain degrees of consanguinity and section 203 prohibits those with existing spouses from marrying. However, the tribe recognizes as valid common-law marriages (section 210) or duly licensed marriage (section 211) which have been recognized as valid under the laws of the United States, any other tribe, state, or foreign nation. Comanche Nation Title IV, Chapter 14 of the Comanche Nation Code states "marriage is a personal relation arising out of a civil contract between two legally competent persons. A marriage shall be valid only when commenced or maintained in accordance with any applicable law of the Comanche Nation, any other Indian nation or any state or country." There are no gender requirements. Confederated Tribes of the Umatilla Indian Reservation The Confederated Tribes of the Umatilla Indian Reservation, located in Umatilla County, Oregon, approved in 2007 a law allowing couples, including same-sex couples, to enter a domestic partnership. The possibility of passing same-sex marriage was discussed at the time, but the tribe decided to pass a domestic partnership law instead. The Family Law Code of the Confederated Tribes of the Umatilla Reservation states: Section 2.04 ("Marriage contract; age of parties"): "Marriage is a civil contract entered into by persons at least 18 years of age, who are otherwise capable, and solemnized in accordance with section 2.06." Section 2.07 ("Form of solemnization"): "In the solemnization of a marriage no particular form is required except that the parties thereto shall assent or declare in the presence of the person solemnizing the marriage and in the presence of at least two witnesses, that they take each other in marriage." Section 2.03(A) ("Other Jurisdictions"): "All marriages performed other than as provided for in the Family Law