State aid adjustment; redetermination of assessment
Wis. Stat. § 121.09
in effect(1) If, on or after July 1, 1980, the tax appeals commission or a court makes a final redetermination on the assessment of property subject to taxation under s. 70.995 that is lower than the previous assessment, or if, on or after January 1, 1982, the state board of assessors makes a final redetermination on the assessment of property subject to taxation under s. 70.995 that is lower than the previous assessment, the school board of the school district in which the property is located may, within 4 years after the date of the determination, decision, or judgment, file the determination of the state board of assessors, the decision of the tax appeals commission, or the judgment of the court with the state superintendent, requesting an adjustment in state aid to the school district. If the state superintendent determines that the determination, decision, or judgment is final and that it has been filed within the 4-year period, the state shall pay to the school district in the subsequent fiscal year, from the appropriation under s. 20.255 (2) (ac), an amount equal to the difference between the state aid computed under s. 121.08 for the school year commencing after the year subject to the valuation recertification, using the school district’s equalized valuation as originally certified, and the state aid computed under s. 121.08 for that school year using the school district’s equalized valuation as recertified under s. 70.57 (2).
(2) If, on or after May 3, 1984, the state board of assessors, the tax appeals commission or a court makes a final redetermination on the assessment of property subject to taxation under s. 70.995 that is higher than the previous assessment, the state superintendent shall notify the school district in which the property is located of the recertification by the department of revenue under s. 70.57 (2). The state superintendent shall, in the subsequent fiscal year, withhold from the school district’s state aid entitlement under s. 121.08 an amount equal to the difference between the state aid computed under s. 121.08 for the school year commencing after the year subject to the valuation recertification, using the school district’s equalized valuation as originally certified, and the state aid computed under s. 121.08 for that school year, using the school district’s equalized valuation as recertified under s. 70.57 (2).
(2m) If after June 30, 1995, and before July 26, 2003, the state board of assessors, the tax appeals commission, or a court makes a final redetermination on the assessment of telephone company property subject to taxation under s. 70.112 (4) and subch. IV of ch. 76 that is lower than the previous assessment, the school board of the school district in which the property is located may, within 4 years after July 26, 2003, file the redetermination with the state superintendent, requesting an adjustment in state aid to the school district. If the state superintendent determines that the redetermination is final and that it has been filed within the 4-year period, the state shall pay to the school district in the subsequent fiscal year, from the appropriation under s. 20.255 (2) (ac), an amount equal to the difference between the state aid computed under s. 121.08 for the school year commencing after the year subject to the valuation recertification, using the school district’s equalized valuation as originally certified, and the state aid computed under s. 121.08 for that school year using the school district’s equalized valuation as recertified under s. 70.57 (2).
(2r) If after July 26, 2003, the state board of assessors, the tax appeals commission, or a court makes a final redetermination on the assessment of telephone company property subject to taxation under s. 70.112 (4) and subch. IV of ch. 76 that is lower than the previous assessment, the school board of the school district in which the property is located may, within 4 years after the redetermination, file the redetermination with the state superintendent, requesting an adjustment in state aid to the school district. If the state superintendent determines that the redetermination is final and that it has been filed within the 4-year period, the state shall pay to the school district in the subsequent fiscal year, from the appropriation under s. 20.255 (2) (ac), an amount equal to the difference between the state aid computed under s. 121.08 for the school year commencing after the year subject to the valuation recertification, using the school district’s equalized valuation as originally certified, and the state aid computed under s. 121.08 for that school year using the school district’s equalized valuation as recertified under s. 70.57 (2).
Source: WI Statutes (Official Site)URL: https://docs.legis.wisconsin.gov/document/statutes/121.09Fetched: 10/7/2026