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Tax Commission

Modernized Electronic Filing – MeF

General Information
Authorized Software Providers
Assurance Testing
Substitute Tax Forms

General Information

Individual, Fiduciary, Partnership and Corporate Income Tax Returns

The MeF program provides electronic filing and payment options for the following tax returns:

  • TC-40 Utah Individual Income Tax Return
  • TC-41 Utah Fiduciary Income Tax Return
  • TC-65 Utah Partnership/Limited Liability Partnership/Limited Liability Company Return
  • TC-20 Utah Corporation Franchise and Income Tax Return
  • TC-20S Utah S Corporation Return

For online income tax filing with Taxpayer Access Point (TAP).

For online payroll and withholding tax information, go to the Software Developers Withholding section. For questions, contact [email protected].

Additional information for software developers.

Authorized Software Providers

Filing Season Start Dates

  • Business tax returns: 7:00 a.m. (MST) on January 13, 2026
  • Fiduciary tax returns: 7:00 a.m. (MST) on January 20, 2026
  • Individual tax returns: 7:00 a.m. (MST) on January 26, 2026

Assurance Testing (ATS)

Utah testing for tax year 2025 starts:

  • Tuesday, Nov. 4, 2025 for individual
  • Tuesday, Nov. 11, 2025 for business

For questions about this program contact [email protected].

Scheduled Maintenance

Routine system maintenance is scheduled in our test environment every week from Friday at 11:00 p.m. to Saturday until approximately 11:00 a.m. Mountain Time.

MeF test submissions may be rejected during this maintenance period.

Substitute Tax Forms

The email address for substitute forms questions and submissions is [email protected]. Additional information can be found on the Substitute Tax Forms page.

Where to Find Utah Forms