Extended deadline for tax returns is October 15

Extended deadline for tax returns is October 15
Posted at 11:03 AM, Oct 02, 2020
and last updated 2020-10-02 13:03:19-04

BOISE, Idaho — Time is running out to file your 2019 Idaho state income tax return. The Idaho State Tax Commission says taxpayers who qualified for an automatic extension to file must send in their return and full payment by October 15.

“We expect to receive about 45,000 individual income tax returns in October,” Tax Commission Chairman Tom Harris said. “That’s in addition to the 892,000 returns we’ve received so far this year.”

Idaho law allows you to avoid a penalty for filing a late return if you have an extension. But you’ll still owe 4% interest on any tax due that wasn’t paid by June 15, the original Idaho income tax due date.

You can file income tax returns electronically, and you might qualify to file online for free. For more information on that, visit the Idaho State Tax Commission website.

If you need tax help:

  • Visit
  • Call (208) 334-7660 in the Boise area or toll-free at (800) 972-7660
  • Visit a Tax Commission office. Go to to find an office near you.

Update your paycheck withholding

The Tax Commission urges you to review your Idaho and federal W-4s after you’ve filed your 2019 tax return. Ensure that you’re having the right amount of income taxes withheld from your paycheck. Visit to learn more.