Our tax software makes it easy for you to efile your state tax return and use the correct state tax forms. Prepare and efile your Idaho state tax return (resident, nonresident, or part-year resident) and Federal tax return together or separately. View the federal tax return filing requirements.
The regular deadline to file a Idaho state income tax return is April 15.
|Tax Deadline Date||Type of Income Tax Return||Filing Deadline / Due Date Description|
|April 18, 2019||2018 Idaho State Tax Return||Due date for Idaho State Income Tax Returns – income tax filing deadline|
|April 18, 2019||2018 Idaho State Tax Extension||Due date for Idaho automatic extensions|
|October 15, 2019||2018 Idaho State Tax Return||Last day to efile a 2018 Idaho State Income Tax Return for tax extension filers and late efilers|
View all state tax return filing deadlines.
Find federal income tax return filing deadlines.
We supports all of the forms that Idaho allows to be efiled. You can efile any of the following Idaho state tax forms:
|Form/Schedule||Description||Can I efile this form?|
|Form 39R/NR||Supplemental Schedule (Page 2)|
|Form 40/43||General Information|
|Form 40/43 [Form 24]||Grocery Credit (Resident/Part-Year)|
|Form 40/43||Resident and PY/NR (Credits, Donations, & Payments)|
|Form 40PA||Installment Payment Agreement Request|
|Form 43||Part-Year and Nonresident Worksheets|
|Form 51||Extension/Additional Estimated Payment of ID Individual Income Tax|
|Form ID K-1||1065, 1120S or 1041 K1 Received [Partner’s, Shareholder’s, or Beneficiary’s Share of Idaho Adjustments, Credits, Etc.]|
Your amended Idaho state return should be filed within 3 years of the filing deadline for the original tax return, or 2 years from the time when tax was paid (whichever is later).
If there have been changes made to your taxable income, deductions, or tax credits that affect your Idaho state income tax return, then you must file an Idaho tax amendment. You have two options to prepare and file an amended Idaho tax return:
Learn more about Live and how to allow an efile prepare and file your ID amended return!