Wis. Stat. § 89.063: Fees.

The department shall determine by rule the fees for each initial license, certification, and permit issued under ss. 89.06, 89.072, and 89.073, and, if applicable, for renewal of the license, certification, or permit, including late fees, based on the department’s administrative and enforcement costs under this chapter. The department shall notify the holder of each such license, certification, or permit of any fee adjustment under this subsection that affects that license, certification, or permit holder.