In 2000, Tłı̨chǫ created their own Tłı̨chǫ Constitution. The Tłı̨chǫ Constitution is the highest Tłı̨chǫ law. In its preamble, it lays out the fundamental principles that will guide the Tłı̨chǫ people and their Government. The Constitution also defines the powers and structure of the Tłı̨chǫ Government, and set out the rights of all Tłı̨chǫ Citizens.
All Tłı̨chǫ laws must agree with the Tłı̨chǫ Constitution, and the Tłı̨chǫ Government must always act according to its rules.
The Tłı̨chǫ Constitution was approved in Behchokǫ̀ at Assembly on the 13th day of August, 2000. Image below is the resolution approving the Tłı̨chǫ Constitution: