Wisconsin Statutes & Annotations
Chapter 66 - General municipality law.
66.0135 - Interest on late payments.

66.0135 Interest on late payments.
(1) Definitions. In this section:
(a) “Agency" means any office, department, board, commission or other body under the control of the governing body of a local governmental unit which expends moneys or incurs obligations on behalf of the local governmental unit.
(b) “Good faith dispute" means any of the following:
1. A contention by an agency, principal contractor or subcontractor that goods delivered or services rendered were of a lesser quantity or quality than ordered or specified by contract, were faulty or were installed improperly.
2. Any other reason giving cause for the withholding of payment by an agency, principal contractor or subcontractor until the dispute is settled.
(c) “Local governmental unit" means a political subdivision of this state, a special purpose district in this state, an agency or corporation of a political subdivision or special purpose district, or a combination or subunit of any of the foregoing.
(d) “Subcontractor" has the meaning given in s. 66.0901 (1) (d).
(2) Interest payable to principal contractors.
(a) Except as provided in sub. (4) or as otherwise specifically provided, an agency that does not pay timely the amount due on an order or contract shall pay interest on the balance due from the 31st day after receipt of a properly completed invoice or receipt and acceptance of the property or service under the order or contract, whichever is later, or, if the agency does not comply with sub. (7), from the 31st day after receipt of an improperly completed invoice or receipt and acceptance of the property or service under the order or contract, whichever is later, at the rate specified in s. 71.82 (1) (a) compounded monthly.
(b) For the purposes of par. (a), a payment is timely if the payment is mailed, delivered or transferred by the later of the following:
1. The date specified on a properly completed invoice for the amount specified in the order or contract.
2. Within 30 days after receipt of a properly completed invoice or receipt and acceptance of the property or service under the order or contract, or, if the agency does not comply with sub. (7), within 30 days after receipt of an improperly completed invoice or receipt and acceptance of the property or service under the order or contract, whichever is later.
(3) Interest payable to subcontractors.
(a) Except as provided in sub. (4) (e) or as otherwise specifically provided, principal contractors that engage subcontractors to perform part of the work on an order or contract from an agency shall pay subcontractors for satisfactory work in a timely fashion. A payment is timely if it is mailed, delivered or transferred to the subcontractor no later than 7 days after the principal contractor's receipt of any payment from the agency.
(b) If a subcontractor is not paid in a timely fashion, the principal contractor shall pay interest on the balance due from the 8th day after the principal contractor's receipt of any payment from the agency, at the rate specified in s. 71.82 (1) (a) compounded monthly.
(c) Subcontractors receiving payment under this subsection shall pay lower-tier subcontractors, and be liable for interest on late payments, in the same manner as principal contractors are required to pay subcontractors in pars. (a) and (b).
(4) Exceptions. Subsection (2) does not apply to any of the following:
(a) Any portion of an order or contract for which the payment, from federal moneys, has not been received.
(b) An order or contract that is subject to late payment interest or another late payment charge required by another law or rule specifically authorized by law.
(c) An order or contract between 2 or more agencies of the same local governmental unit.
(d) An order or contract which provides for the time of payment and the consequences of nontimely payment, if any deviation from the deadlines established in sub. (2) appears in the original bid or proposal.
(e) An order or contract under which the amount due is subject to a good faith dispute if, before the date on which payment is not timely, notice of the dispute is sent by 1st class mail, personally delivered or sent in accordance with the procedure specified in the order or contract.
(5) Appropriation from which paid. An agency that pays interest under this section shall pay the interest only from the appropriation for administration of the program under which the order or contract was made or entered into, unless otherwise directed by the governing body of the local governmental unit.
(6) Attorney fees. Notwithstanding s. 814.04 (1), in an action to recover interest due under this section, the court shall award the prevailing party reasonable attorney fees.
(7) Improper invoices. If an agency receives an improperly completed invoice, the agency shall notify the sender of the invoice within 10 working days after it receives the invoice of the reason that it is improperly completed.
History: 1989 a. 233; 1999 a. 150 ss. 326, 327; Stats. 1999 s. 66.0135.

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