Wisconsin: Sales Tax Handbook
Calendar of Wisconsin Sales Tax Filing Dates
Depending on the volume of sales taxes you collect and the status of your sales tax account with Wisconsin, you may be required to file sales tax returns on a monthly, semi-monthly, quarterly, semi-annual, or annual basis.
On this page we have compiled a calendar of all sales tax due dates for Wisconsin, broken down by filing frequency. The next upcoming due date for each filing schedule is marked in green.
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QUARTERLY FILING
| Filing Period | Due Date | Extended Due Date | Q1 (Jan - Mar) | April 30 | April 30 | Q2 (Apr - Jun) | July 31 | July 31 |
|---|---|---|
| Q3 (Jul - Sep) | October 31 | November 2 1 | Q4 (Oct - Dec) | January 31 | February 1 |
MONTHLY FILING
| Filing Period | Due Date | Extended Due Date | January | February 28 | March 2 | February | March 31 | March 31 | March | April 30 | April 30 | April | May 31 | June 1 | May | June 30 | June 30 | June | July 31 | July 31 | July | August 31 | August 31 | August | September 30 | September 30 |
|---|---|---|
| September | October 31 | November 2 1 |
| October | November 30 | November 30 |
| November | December 31 | December 31 | December | January 31 | February 1 |
ANNUAL FILING
| Filing Period | Due Date | Extended Due Date | 2015 | January 31 | February 1 |
|---|
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