(2) The general assembly shall provide by statute procedures under which the registered electors of any county may adopt, amend, and repeal a county home rule charter. Action to initiate home rule may be by petition, signed by not less than five percent of the registered electors of the county in which home rule is sought, or by any other procedure authorized by statute. No county home rule charter, amendment thereto, or repeal thereof, shall become effective until approved by a majority of the registered electors of such county voting thereon.
(3) A home rule county shall provide all mandatory county functions, services, and facilities and shall exercise all mandatory powers as may be required by statute.
(4) A home rule county shall be empowered to provide such permissive functions, services, and facilities and to exercise such permissive powers as may be authorized by statute applicable to all home rule counties, except as may be otherwise prohibited or limited by charter or this constitution.
(5) The provisions of sections 6, 8, 9, 10, 12, and 15 of article XIV of this constitution shall apply to counties adopting a home rule charter only to such extent as may be provided in said charter.
