Annual impact fee payments received by the department more than 45 days after the date the invoice is mailed in the initial year of assessment, or after May 1 in subsequent years, shall be assessed interest at a rate, and in the same manner, as required by the commission for customer deposits for residential service as specified in s. PSC 113.0402(9) (b).
Wis. Admin. Code Department of Administration Adm 46.07