Wis. Stat. § 765.15: Fee to county clerk.

Each county clerk shall receive as a fee for each license granted the sum of $49.50, of which $24.50 shall become a part of the funds of the county, and $25 shall be paid into the state treasury. The county shall use $20 of the amount that it retains from each license fee only for expenses incurred under s. 767.405. The county may, but is not required to, use any or all of the remainder of the amount that it retains for education, training, or services related to domestic violence. Each county board may increase the license fee of $49.50 by any amount, which amount shall become a part of the funds of the county.