N.D. Cent. Code § 20.1-02-16.4

There is hereby imposed, for the grant of the privilege of the right to harvest clams, a privilege fee of ten percent of the market value of clam shells harvested in this state. The fee imposed by this section must be paid to the director for deposit in the game and fish fund. The director may adopt rules under chapter 28-32 for the administration of the fee imposed under this section.