Transitional provisions
Wis. Stat. § 77.77
in effect(1)
(a) The sales price from services subject to the tax under s. 77.52 (2) or the lease, rental, or license of tangible personal property and property, items, and goods specified under s. 77.52 (1) (b), (c), and (d), is subject to the taxes under this subchapter, and the incremental amount of tax caused by a rate increase applicable to those services, leases, rentals, or licenses is due, beginning with the first billing period starting on or after the effective date of the county ordinance, municipal ordinance, special district resolution, or rate increase, regardless of whether the service is furnished or the property, item, or good is leased, rented, or licensed to the customer before or after that date.
(b) The sales price from services subject to the tax under s. 77.52 (2) or the lease, rental, or license of tangible personal property and property, items, and goods specified under s. 77.52 (1) (b), (c), and (d) is not subject to the taxes under this subchapter, and a decrease in the tax rate imposed under this subchapter on those services first applies, beginning with bills rendered on or after the effective date of the repeal or sunset of a county ordinance, municipal ordinance, or special district resolution imposing the tax or other rate decrease, regardless of whether the service is furnished or the property, item, or good is leased, rented, or licensed to the customer before or after that date.
(3) The sale of building materials to contractors engaged in the business of constructing, altering, repairing or improving real estate for others is not subject to the taxes under this subchapter, and the incremental amount of tax caused by the rate increase applicable to those materials is not due, if the materials are affixed and made a structural part of real estate, and the amount payable to the contractor is fixed without regard to the costs incurred in performing a written contract that was irrevocably entered into prior to the effective date of the county ordinance, municipal ordinance, special district resolution, or rate increase or that resulted from the acceptance of a formal written bid accompanied by a bond or other performance guaranty that was irrevocably submitted before that date.
Source: WI Statutes (Official Site)URL: https://docs.legis.wisconsin.gov/document/statutes/77.77Fetched: 10/7/2026