Most Popular Forms
- UPDATED A Guide to Idaho Income Tax Withholding
- Form ID-MS1 Employee’s Idaho Military Spouse Withholding Exemption Certificate
- 2011 individual income tax forms
- Form 40PA Idaho Payment Agreement Request
- Power of Attorney
- Form ST-101 Sales Tax Resale or Exemption Certificate
Translate this page
Quick Picks
- Budget and Levy Training starting
- New YouTube video: Learn how to get your payments applied correctly
- Free individual income tax filing
- Backup withholding information for pass-through entities
- Low income? Elderly? Get free tax help!
- Get an Idaho grocery credit refund even if you aren’t required to file an income tax return
- Military or military spouse? See our Military information page
- Calculate your penalty and interest with our Penalty & Interest Estimator
