Municipal Tax Incremental Finance (TIF) (sec. 66.1105, Wis. Stats.) Territory Amendment (adding parcels)

A municipality may amend the boundaries of an active Tax Incremental District (TID) up to four times, by adding whole parcels that are contiguous to the existing boundaries.

To amend an active TID, email the completed territory amendment forms and required documents to the Wisconsin Department of Revenue (DOR).

Due date/process

  • If the municipal resolution is adopted by September 30, use the "Attach Documents" button below to email the forms and supporting documents to DOR by October 31
  • A municipality amends a TID by including additional parcels' Equalized Values in the existing base value
  • DOR certifies the amended base value after January 1 of the year following the amendment
  • TIF Fee – after your municipality notifies DOR that it amended a TID, DOR posts a bill in My Tax Account

PE-605TTID Territory Amendment - legal requirements
Base Value WorkbookThis Excel workbook contains all the necessary forms to document the property and taxing jurisdictions affected by the TID. For best results, open the workbook, save it to your computer and then complete the forms.

Attach Documents

Select "Attach Documents" to email your TID documents

TID Checklist - required forms to complete and documents to provide
Resolution Checklist – required resolution information
Guidelines for Project Plans – required project plan information
TIF Public Notices – information on public notices
TIF Manual – TIF reference guide


MS 6-97
Office of Technical and Assessment Services
PO Box 8971
Madison, WI 53708-8971
Phone: (608) 261-5335 or (608) 266-5708
Email additional questions to ​