Telco Forms Available Online

January 30, 2026

To: Telecommunications

The Wisconsin Department of Revenue's (DOR), State and Local Finance Division would like to inform you that the 2026 Telco forms are now available in My Tax Account (MTA).

E-file by March 2, 2026

• In My Tax Account – complete or e-file an extension for your 2026 T-R and T-P forms for the December 31, 2026, filing period
• Reminder – you must e-file both the T-R and T-P forms even if you do not have personal or real property
• You can request a filing extension in MTA – filing deadline with extension is April 1, 2026

Late filing penalty

• One month or less – if you file within a month after the March 2, 2026, due date (or April 1, 2026, for an extension), DOR will charge you a 5% penalty of the 2026 taxes
• For each additional month you are late – DOR will charge another 5%, not exceeding 25% of the total

Towers Reminder

• Schedule TI
  • If you are reporting Towers, enter all tower locations on this schedule
  • Towers you reported last year will not be listed on this year's schedule
    • Report any new towers on the schedule
    • If you there are any towers you reported last year, but no longer own – contact DOR to have them removed from the locally-assessed list
• Excel spreadsheet – you may also use the State Assessed Towers Roll located on our website to enter the locations

Questions?