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Group: Income tax (individual) current
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Forms and form instructions
Instruction changes
Nonresident or part-year resident? Idaho part-year residents qualify for the Idaho child tax credit for the part of the year they were an Idaho resident; calculate using the four steps below. Nonresidents don't qualify. (Following passage of 2019 House Bill 19 on 02-13-2019)
- Determine the number of months you lived in Idaho (over 15 days counts as a month)
- Multiply line 1 by $17.08
- Multiply line 2 by the number of your qualifying children.
- Enter amount from line 3 on Form 43, line 45.
Married Filing Separately filing requirements — You must file a tax return if your gross income is at least $5. (Following update to IRS instructions, revision date 01-24-2019)
Itemizing? – If you use federal Schedule A to itemize, please note these additional instructions for Form 40, line 15 and Form 43, line 35.
- If federal Schedule A, line 5d, is $10,000 or less ($5,000 if married filing separately), enter the amount from federal Schedule A, line 5a.
- If federal Schedule A, line 5d, is more than $10,000 ($5,000 if married filing separately), subtract line 5b from line 5e and enter the amount here. Enter zero for any result less than zero.
- Form STC-06 Request for Copies of Tax Returns (01-03-2018) F
- 2019 Form ID-MS1 (2019) Employee's Idaho Military Spouse Withholding Exemption Certificate (01-10-2019) F
- 2018 Form ID-MS1 (2018) Employee's Idaho Military Spouse Withholding Exemption Certificate (08-30-2017)
- 2018 Form 51 Estimated Payment of Idaho Individual Income Tax (04-12-2019) F
- Form 75-BST Fuels Tax Refund Worksheet, Idaho Consumers with Single or Multiple Bulk Storage Tanks (06-06-2016)
- Form 75-IC Fuels Tax Refund Worksheet, IFTA Licensees (03-11-2009)
- Form 75-IMV Fuels Tax Refund Worksheet, Intrastate Motor Vehicles (03-16-2009)
- Form 75-LFA Fuels Tax Refund Worksheet, Line Flush Allowance (12-07-2006)
- Form 75-NM Fuels Tax Refund Worksheet, Nontaxable Miles (Special Fuels Only) (10-29-2018) F
- Form 75-PTO Fuels Tax Refund Worksheet, Power Take-off and Auxiliary Engine (10-29-2018) F
- 2019 Form 75 INSTRUCTIONS Fuels Use Report (11-13-2018)
- 2019 Form 75 Fuels Use Report (10-29-2018) F
- Form 96 Idaho Annual Information Return (11-08-2017) F
- 2018 Form CG Idaho Capital Gains Deduction (06-08-2018) F
- 2018 Form 24 Idaho Grocery Credit Refund (09-07-2018) F
- 2018 Form 40 Idaho Individual Income Tax Return (08-21-2018) F
- 2018 Form 49C Idaho Investment Tax Credit Carryover (07-13-2018) F
- 2018 Form 43 Idaho Part-Year Resident & Nonresident Income Tax Return (09-07-2018) F
- 2018 Form 39R (RESIDENT) Idaho Supplemental Schedule (05-14-2018) F
- 2018 Form 39NR (Nonresident/Part-year Resident) Idaho Supplemental Schedule (05-18-2018) F
- 2018 Form ID-40V Income Tax Payment Voucher (06-05-2018) F
- Form 402 Individual Apportionment for Multistate Businesses (08-01-2009) F
- 2018 Form 40, 43, 39R, 39NR, 44, Tax Tables Instructions - Individual Income Tax (02-25-2019)
- 2018 Form 56 Instructions Net Operating Loss (08-10-2018)
- Form 56 Net Operating Loss (07-10-2013) F
- Form TCR Sales Tax Refund Claim (05-27-2009)
- Form 850-U Self-Assessed Use Tax Return and Instructions (03-14-2019) F
- Form W-2 SUB Substitute W-2 Wage and Tax Statement (01-27-2006)
- Form ST-102 Use Tax Exemption Certificate, New Resident (04-16-2019) F
- Form ST-102NM Use Tax Exemption Certificate, Nonresident Military (04-16-2019) F
Guides
- Audits - Your Rights & Responsibilities (11-13-2018)
- Federal Filing Changes and Your Idaho Income Tax Return (07-01-2018)
- Idaho Taxpayer Rights (05-02-2019)
- Tax Effect Examples: Based on W-4, withholding, and new laws (07-11-2018)
- Where's My Refund? - flyer for Idaho taxpayers (11-19-2018)
(Date in parentheses is date the document was published or last revised.)
F indicates a fill-in (and print, but not save) form. Learn more about our fill-in forms
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