All water crafts propelled by internal combustion engines, when owned and used exclusively for pleasure purposes shall be exempt from the payment of tolls in the canals and waterways owned by the State of Louisiana when the said water craft are twenty feet in length and under.
In canals and waterways owned by the state the wharfage or dockage space charge shall not be more than twelve dollars per year on all craft coming within the meaning of this section.
La. Navigation and Shipping § 34:831