It also has information on business, information on individual, and your name and telephone number.
Unreported income: amount of unreported income and tax years (fill in tax years and dollar amounts, if known).
Other violation: other type of tax violation, for example overstated expense or wrongly claimed dependent; describe in comments below.
Comments: briefly describe who, what, where, when and how. Attach 2nd page if more space is needed.
Item 6: please describe how you learned and/or obtained the information in this report.
Wisconsin Department of Revenue: if we have additional questions, can we contact you? Do you want to remain anonymous?
Questions: call 608-266-2772.
| Question | Answer |
|---|---|
| Form Name | P-626 |
| Form Length | 2 pages |
| Fillable? | No |
| Fillable fields | 0 |
| Avg. time to fill out | 6 min |
| Edition | 5-16 |
| Issuing agency | Wisconsin Department of Revenue |
| Where to send | Wisconsin Department of Revenue, Audit Bureau, PO Box 8906, Madison WI 53708-8906 |
| Matches the agency's file | Yes, checked October 2, 2026 |
| Other names | P-626, P626, P 626, 626 form, Wisconsin P-626, Wisconsin Tax Information Referral Form |
| Official source | P-626 (Rev 5-16), Wisconsin Department of Revenue |
Wisconsin Form P 626 isn’t the one you’re looking for?