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Instructions for Net Income Tax Requests (Form P-100) 
 
What Information Is Available From a Net Tax Request? 
 
Tax returns have a line named "net tax" which is the tax paid/payable after deductions and most 
non-refundable credits have been applied. The line numbers on the forms may vary from year to 
year. The net tax line numbers on the 2016 tax forms are as follows: 
 
Individual Income Tax Forms  
                                                                      
           Net Tax                                                    
   Form    Line Number                                Name/Description 
 Form 1    33                    Individual Income Tax Return (Long Form) 
 Form 1A   23                    Individual Income Tax Return (Short Form) 
 Form WI-Z 11                    Individual Income Tax Return (Easy Form) 
 Form 1NPR 59                    Nonresident and Part-Year Resident Income Tax Return 
 
Fiduciary, Estate and Trust Form 
                                                                      
           Net Tax                                                    
  Form     Line Number                                Name/Description 
 Form 2    14                    Wisconsin Fiduciary Income Tax for Estates or Trusts 
 
Corporation Tax Forms 
                                                                      
           Net Tax                                                    
  Form     Line Number                                Name/Description 
                                 Wisconsin Non-Combined Corporation Franchise or 
 Form 4    20                    Income Tax Return 
                                 Wisconsin Combined Corporation Franchise or Income Tax 
 Form 6    14                    Return 
 
•  Tax-option (Subchapter S) corporations, LLCs (limited liability companies), LLPs (limited liability 
  partnerships) and partnerships –have no net tax since their income/losses are passed through to 
  their shareholders/partners. 
   
•  Amended returns and adjustments by the department - the net tax is adjusted for amended 
  returns and changes made by the department. 
   
•  Joint returns – if the taxpayer filed a joint return for the year involved, the net tax from that joint 
  return will be disclosed. 
 
What Tax Years Are Available? 
 
Net tax requests can be made for tax years 2005 and forward. 
 
Who Can Make a Net Tax Request? 
 
Only Wisconsin residents can make a net tax request. Complete a request for each individual or 
business. 



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How Can the Net Tax Information Be Used? 
 
Newspapers can publish the information and public speakers can disclose the information. There are 
penalties for disclosing net tax information in any other manner. 
 
Is There a Cost? 
 
The charge for a net tax request is $4 for each year for each taxpayer. For example, if you request 
the 2014 and 2015 net tax for Taxpayer A and 2012-2015 net tax for Taxpayer B, you will owe $24 
(6 x $4). 
 
How Do I Submit a Request? 
 
In Person 
 
You may submit your request at the Department of Revenue office at 2135 Rimrock Road, Madison 
between 7:45 a.m. to 4:30 p.m. on weekdays. You must present an acceptable form of identification 
(for example, a driver's license). Applications in-person do not have to be notarized. 
 
By Mail 
 
Mail to the address on the Form P-100.  Applications received by mail must have the Notary Public 
portion of the application fully completed. 
 
Is the Taxpayer Notified That Their Net Tax Has Been Disclosed? 
 
Yes.  The department will provide written notification to the taxpayer. The notification will include: 
 
 •  Name of requester 
 •  Address of requester 
 •  The organization, if any, that the requester represents 
 •  Reason for the request 
 •  The net tax amounts 
 
Can I Pick Up the Response in Person? 
 
Yes.  However, we can only release the response to the requester.   
 
What If I Have Questions? 
 
If you need additional information about a net tax request, call (608) 266-0945. 






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