Idaho State Tax Commission

Avoid a Tax Debt

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You should always file your return on time and pay as much as you can when you file. Filing on time will reduce your penalties for any unpaid taxes.

Use our penalty and interest estimator to calculate what you may owe for certain tax types.

Make payments before the due date

Although Idaho doesn't require estimated tax payments for individuals, you may make payments toward your future tax debt any time during the tax year and until the due date. We accept cash, checks, money orders, credit cards, ACH credit, and ACH debit payments.

(Note: If you pay with a credit/debit card or e-check, our third-party provider will charge a convenience fee. These fees are not initiated or collected by the Idaho State Tax Commission.)

You can make payments:

Read about all payment options on the E-Pay page.

Adjust your W-4 amount

We urge you to update your paycheck withholding for both federal and state taxes.

Information, guides and forms are available on the tax.idaho.gov/w4 page.

Double-check your tax return

  • Review the return for accuracy before sending it.
  • Verify that the correct address is on the return.
  • Check for the correct Social Security numbers.
  • Make sure W-2 information is correct when e-filing.
  • Provide a driver's license number when e-filing.
  • Verify banking information when using direct deposit.

Page last updated March 28, 2019. Last full review of page: September 19, 2016.

This information is for general guidance only. Tax laws are complex and change regularly. We can't cover every circumstance in our guides. This guidance may not apply to your situation. Please contact us with any questions. We work to provide current and accurate information. But some information could have technical inaccuracies or typographical errors. If there's a conflict between current tax law and this information, current tax law will govern.