Download Form 40 (PDF)

Idaho Individual Income Tax Return Updated 11/-0001

Printable Idaho Income Tax Form 40

Form 40 is the standard income tax return for Idaho. All full-time residents are required to complete and submit their form 40 by April 15th. For more information about the Idaho Income Tax, see the Idaho Income Tax page.

Idaho may also allow you to e-file your Form 40 instead of mailing in a hard copy, which could result in your forms being received and processed faster. For more details, read more about the Idaho e-filing program.

Document Source: http://tax.idaho.gov/forms/EFO00089_09-04-2015.pdf

View Other Idaho Tax Forms

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Individual Income Tax Return

Form 40 is the standard income tax return for Idaho. All full-time residents are required to complete and submit their form 40 by April 15th.

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Tax Payment Voucher

Include a completed Form 40V payment voucher with all cash or check tax payments you send to the Idaho tax Commission to ensure you are properly credited with your payment.

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Nonresident Income Tax Return

All nonresidents or part-year residents who earned income in Idaho during the last tax year must file a Form 43 nonresident income tax return with the Idaho State Tax Commission.

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Estimated Income Tax Payment Voucher

If you are self employed and do not have tax withholding deducted from your salary you can file an estimated income tax payment by completing Form 51. Estimated payments, however, are not required under Idaho law. This document includes an estimated tax w

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Idaho Income Tax Instruction Booklet

This free booklet includes instructions on how to fill out your Idaho income tax return. Includes instructions on making estimated payments and completing Forms 40, 43, 39R, 39NR, and 44.