Governments Calendar

  
Description
  
  
  
  
  
  
DOR posts on our website: 2027 personal property aid estimates
8/14/2026 12:00 AM8/14/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-08-14.ics2319
DOR releases: 2026 certified equalized, Tax Incremental District and net new construction values (sec. 70.57(1)(a))
8/14/2026 12:00 AM8/14/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-08-14a.ics2320
Deadline: Towns, villages and cities that received direct payment of school levy tax and first dollar credits forward to county treasurer (sec. 79.10 (7m)(cm)1.b)
8/14/2026 12:00 AM8/14/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-08-14b.ics2321
DOR deadline: Form SL-311 Video Service Provider Report e-file with DOR
8/17/2026 12:00 AM8/17/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-08-17.ics2322
DOR deadline: County settles lottery and gaming credit special charges with DOR
8/20/2026 12:00 AM8/20/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-08-20.ics2323
DOR posts on website: County and Municipal Certificates of Equalized Value (approx.)
8/20/2026 12:00 AM8/20/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-08-20a.ics2324
Deadline: County settles school levy tax and first dollar credits with taxing jurisdictions (sec. 79.10 (7m)(cm)1.b)
8/20/2026 12:00 AM8/20/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-08-20b.ics2325
DOA certifies state tax/charges to county clerk – 4th Monday (sec. 70.60(1))
8/24/2026 12:00 AM8/24/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-08-24.ics2326
DOR posts on website: County and Municipal Levy Limit Worksheets (SL-202c and SL-202m) (approx.)
9/4/2026 12:00 AM9/4/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-09-04.ics2327
Legal Holiday: Labor Day (sec. 995.20) – State Offices Closed
9/7/2026 12:00 AM9/7/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-09-07.ics2379
DOR posts on website: 2026 revised estimate and 2027 original estimate shared revenue notices (sec. 79.015)
9/15/2026 12:00 AM9/15/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-09-15.ics2328
DOR updates and posts on website: Master List of Taxation Districts, Underlying Taxing Jurisdictions and Municipal Code Reports
9/18/2026 12:00 AM9/18/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-09-18.ics2329
DOR posts on website: Municipal Debt Limit Report (approx.)
9/21/2026 12:00 AM9/21/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-09-21.ics2330
DOR certifies: Percent change in Consumer Price Index (CPI) (sec. 79.05(2m)) (approx.)
9/30/2026 12:00 AM9/30/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-09-30.ics2331
DOR deadline: Request for Chargeback of Refunded or Rescinded Taxes (PC-201) e-file with DOR (sec. 74.41(1))
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01.ics2332
DOR deadline: Request to Share Non-Manufacturing Omitted Taxes (PC-205) e-file with DOR (sec. 74.315)
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01a.ics2333
DOR deadline: Late lottery and gaming credit application
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01b.ics2334
DOR deadline: Lottery credit audit payment due (Admin 20.12(2)(a)(2))
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01c.ics2335
DOR: Sends exempt computer aid estimates and video service provider aid estimates
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01d.ics2336
DOR: Certifies school district equalized values to DPI (sec.121.06m)
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01e.ics2337
DOR: Certifies/posts on website technical college and special district equalized values (approx.)
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01f.ics2338
DOR: Sends expenditure restraint budget limit notices to qualifying municipalities
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01g.ics2339
DOR: Begins notifying municipalities of 2026 municipal fee for manufacturing assessment (sec. 70.995(14))
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01h.ics2340
DOR: Posts on website: Tax Incremental Certification Reports (approx.)
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01i.ics2341
State Trust Fund notices mailed (during month of October)
10/1/2026 12:00 AM10/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-01j.ics2342
DOR deadline: Final Municipal Assessment Report (MAR) e-file with DOR to be used for preliminary major class comparison
10/5/2026 12:00 AM10/5/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-05.ics2343
DOR begins production of equated mfg. assessment rolls, omitted property rolls, correction of error rolls, and producing final Statements of Assessment (sec. 70.995 (08)) to post on website
10/5/2026 12:00 AM10/5/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-05a.ics2344
DOT makes quarterly highway aids payments
10/5/2026 12:00 AM10/5/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-05b.ics2345
DOR posts on website: Apportionment forms Special district (PC-505)
10/14/2026 12:00 AM10/14/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-14.ics2346
DOR posts on website: Apportionment forms Technical college (PC-401V)
10/14/2026 12:00 AM10/14/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-14a.ics2347
DOR posts on website: Apportionment forms State and county (PC-400)
10/14/2026 12:00 AM10/14/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-14b.ics2348
DOR posts on website: Statistical Reports (sec. 73.06) (approx.)
10/26/2026 12:00 AM10/26/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-26.ics2349
DOR posts on website: 2026 Preliminary Major Class Comparison (Nov 1) and sends 70.05 non-compliance notices to municipalities
10/30/2026 12:00 AM10/30/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-30.ics2350
Deadline: Tech colleges certify levy to municipalities (sec. 38.16(1))
10/30/2026 12:00 AM10/30/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-10-30a.ics2356
DOR deadline: 2026 TID creations, territory amendments and base value redetermination documents and fees due to DOR
11/2/2026 12:00 AM11/2/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-02.ics2351
DOR deadline: 2027 TID personal property base value adjustment requests due to DOR
11/2/2026 12:00 AM11/2/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-02a.ics2352
DOR deadline: Tech college e-file Form PC-401V with DOR
11/2/2026 12:00 AM11/2/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-02b.ics2353
Lottery and gaming credit special charges and non-primary resident reports sent to county treasurers and municipal clerks (tax 20.12(2)(a)2)
11/2/2026 12:00 AM11/2/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-02c.ics2354
DOR distributes oil pipeline terminal property tax to municipalities (sec. 76.24(2)(am))
11/2/2026 12:00 AM11/2/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-02d.ics2355
Annual Assessor Meeting held November – specific dates to be announced
11/2/2026 12:00 AM11/2/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-02e.ics2357
Deadline: Special districts certify tax levy to municipalities
11/2/2026 12:00 AM11/2/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-02f.ics2358
DOR deadline: Municipal light, heat & power installment due to DOR (sec. 76.28(3)(c))
11/10/2026 12:00 AM11/10/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-10.ics2359
Deadline: School districts send certified school levy to municipal clerks (sec. 120.12 (3), Wis. Stats.)
11/10/2026 12:00 AM11/10/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-10a.ics2360
DOR posts on website: Tax Increment Worksheet (PC-202) (approx.)
11/12/2026 12:00 AM11/12/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-12.ics2361
DOR certifies: 74.41 chargebacks and 74.315 omitted taxes to municipalities and other taxing jurisdictions
11/13/2026 12:00 AM11/13/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-13.ics2362
DOR deadline: State and County (PC-400) and Special District (PC-505) Apportionment Forms e-file with DOR
11/16/2026 12:00 AM11/16/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-16.ics2363
DOR pays final shared revenue payments and sends notices to municipalities and counties
11/16/2026 12:00 AM11/16/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-16a.ics2364
DOR sends and posts on website: Maximum credit value and maximum credit for lottery and gaming and first dollar credits (sec. 79.10 (2))
11/20/2026 12:00 AM11/20/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-20.ics2365
DOR sends and posts on website: School levy tax credit amount and estimated major state aids (full disclosure)
11/20/2026 12:00 AM11/20/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-20a.ics2366
DOR posts on website: Statement of Taxes (PA-632a) (approx.)
11/23/2026 12:00 AM11/23/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-23.ics2367
Legal Holiday: Thanksgiving (sec. 995.20) – State Offices Closed
11/26/2026 12:00 AM11/26/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-11-26.ics2380
DOR notifies municipal clerk if Final Municipal Assessment Report (MAR) is not filed
12/1/2026 12:00 AM12/1/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-01.ics2368
DOR posts on website: Debt Margin Report
12/11/2026 12:00 AM12/11/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-11.ics2369
DOR deadline: County and Municipal Levy Limit Worksheet e-file with DOR
12/15/2026 12:00 AM12/15/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-15.ics2370
DOR posts on website: Updated Manufactured/Mobile Home publication for Lottery and Gaming Credit (Prop 076) (approx.)
12/16/2026 12:00 AM12/16/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-16.ics2371
DOR posts on website: 2027 Calendar (approx.)
12/16/2026 12:00 AM12/16/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-16a.ics2372
DOR deadline: Statement of Taxes filed with DOR (sec. 69.61)
12/21/2026 12:00 AM12/21/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-21.ics2373
DOR deadline: Tax Increment Worksheet e-file with DOR
12/21/2026 12:00 AM12/21/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-21a.ics2374
Deadline: Issue property tax bills 74.09(5)
12/21/2026 12:00 AM12/21/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-21b.ics2375
Deadline: Tax district clerk delivers roll to refund excess escrow amount within 15 days
12/21/2026 12:00 AM12/21/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-21c.ics2376
Legal Holiday: Christmas Eve – State Offices Closed
12/24/2026 12:00 AM12/24/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-24.ics2381
Legal Holiday: Christmas Day (sec. 995.20) – State Offices Closed
12/25/2026 12:00 AM12/25/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-25.ics2382
DOR deadline: Final or Amended Municipal Assessment Reports (MAR) e-file with DOR
12/30/2026 12:00 AM12/30/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-30.ics2377
DOR deadline: 2026 Tax Incremental District project and allocation amendment documents due to DOR
12/30/2026 12:00 AM12/30/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-30a.ics2378
Legal Holiday: New Year’s Eve – State Offices Closed
12/31/2026 12:00 AM12/31/2026 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Governments/2026-12-31.ics2383
Back to top button