You can pay your business income tax in one of three ways:
- Include payment when filing your return.
- Pay securely online with Quick Pay through our Taxpayer Access Point (TAP) at tax.idaho.gov/quickpay.
- Visit tax.idaho.gov/epay for more information about other electronic payments.
- Fill out and mail in the following form:
A valid extension means you can avoid a penalty for filing late. There aren’t any extensions allowing you to pay late. You’ll owe interest on any payments made after the original due date. Read our guide on valid extensions for filing.