Idaho State Tax Commission

Idaho State Tax Commission

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Update your W-4 for withholding


Now you can make a payment without signing up for a TAP account. Perfect for occasional payments like: income tax, estimated, and audit payments. Read more at
It's really easy to get a seller's permit. See which seller's permit you need and quickly apply online!
Need a payment plan?
File your tax return and owe a balance? Did you know you can apply for a 6-month plan with no lien filed? Read more about your options.

Latest News

12-06-2018 Income tax withholding: 'You're probably going to have to pay'

11-29-2018 Draft forms for Fuels tax: We want your feedback!

11-28-2018 Take our Small Business Tax Training Survey

11-21-2018 Decisions posted to the website in October and November 2018

11-21-2018 Draft forms for sales and use tax: We want your feedback!

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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.