Idaho State Individual Tax Extension Filing Instructions
400 views | Last modified 3/22/2023 2:23:58 AM EST | Added by ExpressExtension Team

Individuals in Idaho are not required to file a separate extension form. The state of Idaho automatically provides an extension for up to 6 months for individuals to file an income tax return with the state as long as they owe zero state tax due.

Extension Form To Use

There is no state-specific form to request an extension, as the state of Idaho automatically grants the extension for up to 6 months for individuals to file an income tax return with the state.

Due Date to file Idaho  tax Extension 

Extension Form Actual Due Date Extension Period
Form 40 15th day of the 4th month after the end of the tax year.  6-month extension

 

Idaho tax extension Filing Method (Paper/Electronic) 

It supports both paper and electronic filing methods.

How to pay the state tax due?

You can make your payment using any of the following options:

  • Check/Money Order: Use Payment Voucher (Form 51).
  • Idaho’s E-Pay system
  • credit/debit card- The credit cards the state accepts are American Express, Discover, MasterCard, and Visa.
  •  E-check. 
  • ACH Debit
  • ACH credit.
  • Cash

Does ExpressExtension support this State filing?  

Idaho personal extensions are automatic, which means there is no form or application to submit.

Any Special Requirements?

An extension of time to file is not an extension of time to pay.  If you owe tax, you must pay at least 80% of your current year’s estimated tax liability by the original deadline or pay 100% of your prior year's "Total Tax" by the deadline to avoid penalties and interest.

To ensure you owe tax, use worksheet Form 51.  After you finish the worksheet, do one of the following:

  • If you need to make a payment, you can mail the form at the bottom of the worksheet with your check. Or, you can use our free, secure QuickPay service online to authorize a payment from your bank account.
  • If you don't need to make a payment, you don't have to send Form 51. Just be sure to file your income tax return by the extended due date.

To know more about the Idaho State Personal tax extension filing requirements, click here.

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