(a) Within 30 days following expiration of registration, each registrant shall submit, on a form furnished by the secretary of agriculture, an annual statement setting forth the number of net tons of each agricultural liming material sold by such registrant for use within the state during the previous 12-month period. Such statement shall be accompanied by payment of an inspection fee which shall be at the rate of $.07 per ton, except that on and after July 1, 2015, such inspection fee shall be at the rate of $.05 per ton.

(b) The secretary is hereby authorized and empowered to reduce the inspection fee provided for in subsection (a) whenever the secretary determines that such fee is yielding more than is necessary for the purpose of administering the provisions of this act. The secretary is authorized and empowered to increase such inspection fee, or restore such inspection fee, in full or in part, when such inspection fee is necessary to produce sufficient revenues for the purposes of administering the provisions of this act, but not in excess of the fee as provided in this section.