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State of Idaho Personal Income Tax Extensions – Tax Year 2009
GENERAL INSTRUCTIONS
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If you can't file your Idaho tax return by April 15, you will be allowed an automatic 6-month extension without filing a written request. To qualify for an automatic extension, you must file your tax return by October 15. However, you need to submit Idaho Form 51 (PDF) if you need to make a state tax payment.
If you do not need to make a tax payment and have received an approval notification from FileLater, there’s nothing more to do.
An Idaho tax extension will not provide you with additional time to pay any tax balance due, which must be paid by April 15 or interest and other payment penalties may apply.
For additional information, please visit the State of Idaho State Tax Commission website.
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| IDAHO STATE INCOME TAX EXTENSION FORM
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Print and Mail:
Idaho State Tax Extension Form 51 (PDF)
Mail with payment to:
Idaho State Tax Commission
PO Box 83784
Boise, ID 83707-3784
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