CONSTITUTION OF THE PONCA TRIBE OF INDIANS OF OKLAHOMA
ARTICLE II - MEMBERSHIP OF THE TRIBE
SECTION 1. The membership of the Ponca Tribe of Indians of Oklahoma shall consist of the following persons:
(a) All persons of Indian blood who were enrolled or were entitled to be enrolled on the official census roll of the Ponca Tribe as of January 1, 1940, provided that within five years after the adoption of this Constitution the said roll may be corrected by the Business Committee of the Ponca Tribe, subject to the approval of the Secretary of the Interior.
(b) All children of one-eighth or more Ponca Indian blood born since the date of said roll, one of whose parent is a member of the Ponca Indian Tribe.
(c) No person who has the blood of the Ponca Indian Tribe of Oklahoma and who also has the blood of another Indian Tribe, and who has received any payments of money or who has received an allotment of land by virtue of having been enrolled with such tribe, shall be eligible for membership with the Ponca Indian Tribe of Oklahoma.
SECTION 2. The Business Committee shall have power to prescribe rules and regulations, subject to the approval of the Secretary of the Interior, governing future membership including adoptions and loss of membership.