Kiowa Indian Tribe of Oklahoma Otoe-Missouria Tribe of Indians Wichita and Affiliated Tribes of Indians Eastern Shawnee Tribe of Oklahoma Modoc Tribe of Oklahoma Ottawa Tribe of Oklahoma Peoria Tribe of Indians of Oklahoma Seneca-Cayuga Tribe of Oklahoma "Within the exterior boundaries" of the Wind River Reservation (Wyoming) [off the list by 2023] The 2013 revision of this list noted that five tribes had left since the previous revision: Wyandotte Tribe of Oklahoma, Seminole Nation of Oklahoma, Choctaw Nation of Oklahoma, Miami Tribe, and Quapaw Tribe of Indians. At least the Seminole and Choctaw enacted codes that banned same-sex marriage. The Comanche Nation (except for the children's court) was listed in the 2016 update, but as of 2019 was no longer under CFR. Nations with gender-neutral language The marriage codes of some nations use gender-neutral language for the couple getting married, such as "persons" or "tribal members". If a case has not yet come up to establish a precedent, the court clerk will generally say that all one can do is read the code, and that lack of prohibition indicates that same-sex marriage should be legal. However, codes may also refer to tribal customs for marriage, without specifying what that might mean. In a few cases, sex is only specified for differing ages of consent. Some codes do not provide for marriage at all, only for its nullification, suggesting that marriages might be performed under state law. Chippewa Cree Indians of the Rocky Boy's Reservation The Chippewa Cree of the Rocky Boy's Reservation in Montana have traditionally respected variant identities. Their Law and Order Code of 1987 (Title 5 – Domestic Relations, Chapter 1 – Marriages) prohibits marriages when one party is currently married, when the specified degree of consanguinity is breached, or when the marriage does not conform with tribal custom or tradition. Confederated Salish and Kootenai Tribes of the Flathead Reservation The minutes of a tribal council meeting which took place on 20 December 2016 stated that the "... Code is silent on defining who can marry. If the Tribal Code is silent, then we rely on federal law first and then state law." The Codified Laws of the Confederated Salish and Kootenai Tribes (revised on April 15, 2003) specify in Title III, Chapter 1 that the Tribal Court shall have jurisdiction over all marriages of Indians residing on the Flathead Reservation and other consenting parties and that