Permits for maintaining docks, wharves, vessels, etc. -

Limitation - Rules. The Grand River Dam Authority shall issue no permit for any dock, wharf, landing, boathouse or for any houseboat, vessel or other floating structure of a stationary or semistationary nature and no permit heretofore issued shall be valid unless said dock, wharf, landing, boathouse or such stationary or semistationary houseboat, vessel or other floating structure of any nature shall be securely attached to the shorelands adjacent to the water's edge by means of suitable cables or metal stiff-arms as approved by the Authority. Said cables or stiff-arms and any walkway extending to the shorelands shall conform to the rules promulgated by the Authority.