Utah Personal Tax Extension | Form TC-546 | Individual Income Tax Pre-payment Coupon

Modified on Sat, 13 Jun at 11:57 AM

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Utah Personal Tax Extension Guide

Form TC-546 · Individual Income Tax · Personal Filing Guide

Your Filing Status

You've Been Extended

Your Utah return is extended to October 15, 2026. File now to get your refund faster.

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Utah's Automatic Extension

Utah provides an automatic six-month extension for filing personal income tax returns. No form or application is required. Taxpayers who cannot file by April 15, 2026, are automatically extended until October 15, 2026—provided they meet Utah's prepayment requirement.

Utah's Prepayment Rule: 90% or 100% Prior Year

To avoid penalties, Utah requires taxpayers to prepay one of the following by April 15, 2026:

At least 90% of the current year's tax liability, or
100% of the prior year's tax liability

Use whichever option results in a lower payment. The remaining balance is due when you file your return by October 15.

How to Make Extension Payments

Online (TAP): Pay by credit card or ACH debit at tap.utah.gov. A service fee may apply for online payments.
Mail: Use Form TC-546 and mail to: Income Tax Prepayment, Utah State Tax Commission, 210 N 1950 West, Salt Lake City, UT 84134-0266.

Late Filing and Payment Penalties

Utah's penalties are tiered based on how late the filing or payment is. Failure-to-file and failure-to-pay penalties begin at the greater of $20 or 2% (1–5 days late), increasing to 5% (6–15 days) and 10% (16+ days). Filing on time and meeting the prepayment threshold avoids all penalties.

Best Practices

Pay 90% of current year's tax (or 100% of prior year's) by April 15, 2026.
Use TAP at tap.utah.gov for online payments.
No form or federal extension required—Utah's extension is fully automatic.
File your completed return by October 15, 2026.

Final Thoughts

Utah's automatic extension requires no paperwork. Just prepay 90% of your current year tax (or 100% of prior year's) by April 15 and file your return by October 15, 2026.

Quick Reference Table

State Abbreviation	UT
State Name	Utah
Extension Status	Approved Automatically
Return Due Date	April 15, 2026
Extended Due Date	October 15, 2026
Other Information	Automatic extension to October 15—no form or federal extension required. Pay at least 90% of current year's tax, or 100% of prior year's tax, by April 15 to avoid penalties.
Online Payment	Utah \| Online Tax Extension Payment
Payment Voucher Title	Form TC-546 \| Individual Income Tax Prepayment Coupon
State Payment Agency	Utah State Tax Commission
Mailing Address with Payment	Income Tax Prepayment Utah State Tax Commission 210 N 1950 West Salt Lake City, UT 84134-0266
Online Payment Options \| Credit Card	TAP at tap.utah.gov. Service fee may apply.
Online Payment Options \| ACH Debit	TAP at tap.utah.gov. ACH debit available.
Failure to File Penalties	Greater of $20 or 2% (1–5 days late); 5% (6–15 days); 10% (16+ days).
Failure to Pay Penalties	Greater of $20 or 2% (1–5 days late); 5% (6–15 days); 10% (16+ days).

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