Section 20.1-13-12 - Local regulation prohibited1. The provisions of this chapter, and of other applicable state laws, govern the operation, equipment, numbering, and all other matters relating thereto whenever any vessel is operated on the waters of this state, or when any activity regulated by this chapter takes place thereon. Nothing in this chapter prevents the adoption of any ordinance or local law relating to operation and equipment of vessels the provisions of which are identical to the provisions of this chapter, amendments thereto, or rules issued thereunder. Such ordinances or local laws are operative only so long as and to the extent that they continue to be identical to provisions of this chapter, amendments thereto, or rules issued thereunder.2. Any subdivision of this state may, at any time, but only after public notice, make formal application to the department for special rules with reference to the operation of vessels on any waters within its territorial limits and shall set forth therein the reasons which make such special rules necessary or appropriate.3. The department is hereby authorized to make special rules with reference to the operation of vessels on any waters within the territorial limits of any subdivision of this state.