What must be included in a Tribal Constitution?

right to organize for its common welfare, and may adopt an appropriate constitution and bylaws, and any amendments thereto, which shall become effective when—

(1) ratified by a majority vote of the adult members of the tribe or tribes at a special election authorized and called by the Sec - retary under such rules and regulations as the Secretary may prescribe; and

(2) approved by the Secretary pursuant to subsection (d) of this section.

25 U.S.C. § 5123.

Many constitutions date from the 1930s and 1940s. For a comment about these constitutions, see Matthew Fletcher, The Myth of the Model IRA Constitution?, Turtle Talk (Nov. 21, 2007).

Many tribal constiitutions are published with Tribal Codes.