Ordinances shall be put to a referendum vote of the tribal members if the Tribal Constitution or ordinances so specify. The Council has the option of calling a referendum vote on ordinance proposals even if it is not specifically called for, if supported by at least five Council members. Elections on referendum issues shall follow the guidelines for special tribal elections. An ordinance adopted, amended, or repealed by the tribal voters shall remain in effect until changed by the tribal voters, or expires under its own terms. [Certificate of Adoption passed April 22nd, 2008; 2008 Code § 1.3.4]