Search Category: General
Pages or documents that apply to more than one tax type, or no tax type in particular
Guides for Certain Businesses
Guides for Certain Groups
Guides for Certain Individuals
General Guides
General Forms
Military
Specific tax information applies to military service members and their families. This information applies to income tax, income tax withholding, sales and use taxes, and certain exemptions. The information varies according to resident status.
Additionally, members of the U.S. Armed Forces serving in a combat zone can take an extension of time to file their Idaho income tax returns.
Forms and guides
Form 43, Idaho Part-Year Resident & Nonresident Income Tax Return- Form 39NR, Idaho Supplemental Schedule for Form 43, Nonresident and Part-Year Resident Returns Only
- Individual Income Tax Instructions, for Forms 40, 43, 39R, 39NR, 44, and Tax Tables
- Form ID-MS1, Employee’s Idaho Military Spouse Withholding Exemption Certificate
- Form ST-102, Use Tax Exemption Certificate New Resident or Military
- Form ST-104NR, Sales Tax Exemption Certificate – Nonresident Vehicle/Vessel
- IRS Publication 3, Armed Forces’ Tax Guide