The form has employee instructions and employer instructions for the Department of Revenue and for New Hire Reporting.
New form: you must complete and provide your employer a new Form WT-4 within 10 days if the number of exemptions previously claimed decreases.
Increase: you may complete and provide to your employer a new Form WT-4 at any time if the number of your exemptions increases.
Exemption: you may claim exemption from withholding if you had no liability for income tax for last year, and you expect to incur no liability for this year.
Expires: exemption from withholding will expire on April 30 of next year unless a new Form WT-4 is completed and provided to your employer before that date.
Dependents: the term dependents does not include you or your spouse.
| Question | Answer |
|---|---|
| Form Name | Form WT-4 |
| Form Length | 2 pages |
| Fillable? | Yes |
| Fillable fields | 31 |
| Avg. time to fill out | 6 min |
| Edition | Rev 8-23 |
| Issuing agency | Wisconsin Department of Revenue |
| New hire reporting | dwd.wi.gov/uinh/ |
| Matches the agency's file | Yes, checked October 2, 2026 |
| Other names | WT-4, WT4, WT 4, Form WT-4, Form WT4, W-204, Employee's Wisconsin Withholding Exemption Certificate/New Hire Reporting |
| Official source | Form WT-4 (Rev 8-23), Wisconsin Department of Revenue |
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