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.
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.
Business return
Alabama business tax obligations depend on the entity type.
- C corporations: Form CPT
- Pass-through entities: Form PPT
- Business privilege payment: Form BPT-V
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
- Personal extension payment: Form 40V
- Business privilege tax: ALDOR resources
- Sales and use tax: E-filing resources
- Online payments: My Alabama Taxes
Alabama Tax FAQs
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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Start Your Alabama ExtensionLast updated: September 2026