Alabama tax information

Alabama Tax Extensions & State Tax Guide

Find Alabama personal and business tax extension deadlines, official forms, payment links, and resources for other Alabama taxes.

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Alabama Extension Deadlines

Personal return

  • Extension period: Automatic extension
  • Extended deadline: October 15, 2026
  • Status: Automatic
  • Payment voucher: Form 40V
  • Online payment: ALDOR

Payment is still due by the original deadline.

View Alabama Personal Extension Instructions

Business return

Alabama business tax obligations depend on the entity type.

View Alabama Business Extension Instructions

Sales and use tax filing extensions

  • Typical due date: The 20th of the following month.
  • Possible extension: Up to 30 days for good cause.
  • Request timing: ALDOR must receive the request before the return becomes delinquent.
  • Approval: Not automatic; no dedicated extension form is listed.
  • How to request: Contact ALDOR through the sales-tax account in My Alabama Taxes or call 334-242-1490.
  • Costs: Interest applies, and the timely-filing discount is unavailable during the extension.

View ALDOR sales and use tax filing resources

Other Alabama Taxes

Business privilege tax

Rules vary by entity. View Alabama Business Privilege Tax resources.

Employer taxes

Businesses with employees may have Alabama withholding and unemployment-tax responsibilities.

Alabama Tax Forms and Payments

Alabama Tax FAQs

Does Alabama grant an automatic individual tax extension?

Alabama generally provides an automatic extension of time to file an individual return. Tax owed remains due by the original payment deadline.

Does an Alabama extension delay payment?

No. The extension applies to filing time, not payment time.

What Alabama business tax forms may apply?

Depending on the entity, Alabama may require Forms CPT, PPT, 20S, 65, or related forms. Confirm the correct form with ALDOR.

Where can I verify Alabama deadlines and forms?

Use the official Alabama Department of Revenue resources linked on this page.

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Last updated: September 2026