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  1. Welcome to Idaho State Tax Commission

    Nov 12, 2025 · ISTC informs taxpayers about their obligations so everyone can pay their fair share of taxes, & enforces Idaho’s laws to ensure the fairness of the tax system.

  2. Contact Us | Idaho State Tax Commission

    Feb 20, 2024 · The Idaho State Tax Commission can't guarantee the confidentiality of any information sent via the boxes above. We might review information submitted for quality …

  3. Individual Income | Idaho State Tax Commission

    Aug 21, 2025 · ISTC informs taxpayers about their obligations so everyone can pay their fair share of taxes, & enforces Idaho’s laws to ensure the fairness of the tax system.

  4. Forms and Guides | Idaho State Tax Commission

    Jun 6, 2023 · ISTC informs taxpayers about their obligations so everyone can pay their fair share of taxes, & enforces Idaho’s laws to ensure the fairness of the tax system.

  5. About Us | Idaho State Tax Commission

    Aug 15, 2025 · The Tax Commission is an executive branch agency, which means it operates under the guidance of the governor of the State of Idaho. The governor appoints the four tax …

  6. Resource Center | Idaho State Tax Commission

    Jul 12, 2023 · Temporary seller’s permit – Needed if you make infrequent retail sales in Idaho. Other tax permits – Application for a regular seller’s permit and withholding account. This page …

  7. Office Locations and Hours | Idaho State Tax Commission

    Jul 10, 2025 · All offices have a drop box for payments, returns, and correspondence. The boxes are available 8 a.m. to 5 p.m., Monday through Friday. Tax Commission offices are closed on …

  8. E-Pay | Idaho State Tax Commission

    Jan 23, 2025 · ISTC informs taxpayers about their obligations so everyone can pay their fair share of taxes, & enforces Idaho’s laws to ensure the fairness of the tax system.

  9. TAP: Introduction and Registering | Idaho State Tax Commission

    Nov 14, 2025 · See tax.idaho.gov/ibr to apply. When you register for TAP, you’ll see the tax types for each permit you have. If you’re an individual and new to Idaho, you must wait until we’ve …

  10. Individual Income Tax Filing and Paying | Idaho State Tax …

    Apr 15, 2025 · If you decide to e-file both your federal and state returns, you must use the same tax software to do so. These tax software packages enable you to prepare and electronically …