Montana Code > Title 7 > Chapter 3 > Part 1 > § 7-3-171 Montana Code 7-3-171. Purpose Current as of: 2023 | Check for updates | Other versions 7-3-171. Purpose. The purpose of 7-3-171 through 7-3-193 is to provide a mechanism for local government review as required by Article XI, section 9, of the Montana constitution. Previous Next Part 1 Contents