Alabama Business Tax Extension LLC & Partnership – S Corporation – C Corporation
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Connect with a TaxPro →Alabama Business Tax Extension – LLC & Partnership
Form BPT-V • LLC & PartnershipAlabama LLC & Partnership Tax Extension Overview
Alabama LLCs and partnerships are subject to state tax filing requirements administered by the Alabama Department of Revenue. Alabama grants an automatic extension tied to an approved IRS extension – keeping the process straightforward for businesses that have already filed IRS Form 7004.
March 16, 2026
File your Alabama LLC or partnership return – or remit full payment – by this date to remain in good standing.
September 15, 2026
Alabama automatically honors your approved federal extension. No separate state extension form is needed.
How the Extension Works
Filing IRS Form 7004 and receiving federal approval is all Alabama requires. Once your federal extension is in place, Alabama automatically extends your LLC or partnership return deadline from March 15 to September 15, 2026 – with no additional state paperwork.
Best Practices
- ✓ Estimate and pay your Alabama business tax by March 16, 2026 to avoid late-payment penalties.
- ✓ File IRS Form 7004 with the IRS – Alabama automatically honors the resulting federal extension.
- ✓ Payments of $750 or more must go through the Alabama online portal – paper is not an option for larger amounts.
- ✓ Have your completed Alabama LLC/partnership return ready to file by September 15, 2026.
Working with a Tax Professional
LLC & Partnership returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your Alabama return is filed accurately and on time.
- Get matched with a verified U.S.-based CPA or Enrolled Agent
- Upload your business documents via secure drag-and-drop
- Review your return with transparent, upfront pricing
- Your TaxPro files the Alabama return by September 15, 2026
How to Pay
Alabama requires online payment for tax amounts of $750 or more. Submit electronically via the Alabama Online Tax Extension Payment portal. For amounts under $750, complete Form BPT-V and mail with your payment.
Alabama Online Payment Portal
Submit electronically through the Alabama Online Tax Extension Payment system. Required for all payments $750 and above.
Form BPT-V by Check
Download Form BPT-V and mail with your check or money order. Include your EIN and tax year on the check.
Business Privilege Tax Section
P.O. Box 327320
Montgomery, AL 36132-7320
Late Filing & Payment Penalties
| Penalty Type | Amount |
|---|---|
| Failure to File | 10% of any additional tax required to be paid, or $50 – whichever is greater |
| Failure to Pay | 1% of tax due per month (or fraction thereof), not to exceed 25% |
LLC & Partnership Quick Reference
| State Abbreviation | AL |
| Entity Type | LLC & Partnership |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | March 16, 2026 |
| Extended Filing Deadline | September 15, 2026 |
| Payment Due | March 16, 2026 (100% of tax owed) |
| Payment Form | Form BPT-V |
| Online Payment | Alabama Online Tax Extension Payment |
| State Agency | Alabama Department of Revenue |
| Failure to File Penalty | 10% of any additional tax required to be paid, or $50 – whichever is greater |
| Failure to Pay Penalty | 1% of tax due per month (or fraction thereof), not to exceed 25% |
Alabama Business Tax Extension – S Corporation
Form BPT-V • S CorporationAlabama S Corporation Tax Extension Overview
Alabama S Corporations are subject to state business tax filing requirements administered by the Alabama Department of Revenue. The state automatically grants an extension tied to an approved IRS federal extension – making the process simple for businesses that have already filed IRS Form 7004.
March 16, 2026
File or remit full payment by this date to remain in good standing with the Alabama Department of Revenue.
September 15, 2026
Alabama automatically honors your approved federal extension – no separate state extension form is required.
How the Extension Works
Alabama ties its business tax extension directly to the federal extension process. Once you file IRS Form 7004 and receive approval, Alabama automatically recognizes that extension – pushing your Alabama S Corporation filing deadline from March 15 to September 15, 2026. There is no separate Alabama state extension form to file.
Best Practices
- ✓ Pay your estimated Alabama S Corporation tax by March 16, 2026 to avoid interest and penalties.
- ✓ File IRS Form 7004 to secure your federal extension – Alabama honors it automatically.
- ✓ Use the Alabama online payment portal for any payment of $750 or more – it is required by the state.
- ✓ Set a reminder: completed Alabama S Corporation return must be filed by September 15, 2026.
Working with a Tax Professional
S Corporation returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your Alabama return is filed accurately and on time.
- Get matched with a verified U.S.-based CPA or Enrolled Agent
- Upload your business documents via secure drag-and-drop
- Review your return with transparent, upfront pricing
- Your TaxPro files the Alabama return by September 15, 2026
How to Pay
Alabama requires online payment for tax amounts of $750 or more. Submit electronically via the Alabama Online Tax Extension Payment portal. For amounts under $750, complete Form BPT-V and mail with your payment.
Alabama Online Payment Portal
Submit electronically through the Alabama Online Tax Extension Payment system. Required for all payments $750 and above.
Form BPT-V by Check
Download Form BPT-V and mail with your check or money order. Include your EIN and tax year on the check.
Business Privilege Tax Section
P.O. Box 327320
Montgomery, AL 36132-7320
Late Filing & Payment Penalties
| Penalty Type | Amount |
|---|---|
| Failure to File | 10% of any additional tax required to be paid, or $50 – whichever is greater |
| Failure to Pay | 1% of tax due per month (or fraction thereof), not to exceed 25% |
S Corporation Quick Reference
| State Abbreviation | AL |
| Entity Type | S Corporation |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | March 16, 2026 |
| Extended Filing Deadline | September 15, 2026 |
| Payment Due | March 16, 2026 (100% of tax owed) |
| Payment Form | Form BPT-V |
| Online Payment | Alabama Online Tax Extension Payment |
| State Agency | Alabama Department of Revenue |
| Failure to File Penalty | 10% of any additional tax required to be paid, or $50 – whichever is greater |
| Failure to Pay Penalty | 1% of tax due per month (or fraction thereof), not to exceed 25% |
Alabama Business Tax Extension – C Corporation
Form BPT-V • C CorporationAlabama C Corporation Tax Extension Overview
Alabama C Corporations are subject to the Alabama Business Privilege Tax (BPT), administered by the Alabama Department of Revenue. Corporations doing business in Alabama – or organized under Alabama law – must file a Business Privilege Tax return annually. Alabama provides an automatic six-month extension tied to an approved federal extension from the IRS.
April 15, 2026
The original BPT filing deadline for C Corporations aligns with the federal corporate income tax due date.
October 15, 2026
Alabama grants an automatic 6-month extension with an approved IRS Form 7004. No separate state form required.
How the Extension Works
Alabama automatically grants a 6-month extension to file your Business Privilege Tax return, provided you have obtained an approved federal extension by filing IRS Form 7004 with the IRS. With a valid IRS extension, your Alabama extended filing deadline becomes October 15, 2026. No separate state extension form is required – the federal extension approval serves as your Alabama extension.
Best Practices
- ✓ Estimate and pay your full Alabama Business Privilege Tax liability by April 15, 2026 to avoid penalties.
- ✓ File IRS Form 7004 with the IRS – Alabama automatically honors the federal extension.
- ✓ Payments of $750 or more must be made through the Alabama online payment portal.
- ✓ Mark October 15, 2026 on your calendar – your completed Alabama Business Privilege Tax return is due then.
Working with a Tax Professional
C Corporation returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your Alabama return is filed accurately and on time.
- Get matched with a verified U.S.-based CPA or Enrolled Agent
- Upload your business documents via secure drag-and-drop
- Review your return with transparent, upfront pricing
- Your TaxPro files the Alabama return by October 15, 2026
How to Pay
Alabama requires online payment for tax amounts of $750 or more. Submit electronically via the Alabama Online Tax Extension Payment portal. For amounts under $750, complete Form BPT-V and mail with your payment.
Alabama Online Payment Portal
Submit electronically through the Alabama Online Tax Extension Payment system. Required for all payments $750 and above.
Form BPT-V by Check
Download Form BPT-V and mail with your check or money order. Include your EIN and tax year on the check.
Business Privilege Tax Section
P.O. Box 327320
Montgomery, AL 36132-7320
Late Filing & Payment Penalties
| Penalty Type | Amount |
|---|---|
| Failure to File | 10% of any additional tax required to be paid, or $50 – whichever is greater |
| Failure to Pay | 1% of tax due per month (or fraction thereof), not to exceed 25% |
C Corporation Quick Reference
| State Abbreviation | AL |
| Entity Type | C Corporation |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | April 15, 2026 |
| Extended Filing Deadline | October 15, 2026 |
| Payment Due | April 15, 2026 (100% of tax owed) |
| Payment Form | Form BPT-V |
| Online Payment | Alabama Online Tax Extension Payment |
| State Agency | Alabama Department of Revenue |
| Failure to File Penalty | 10% of any additional tax required to be paid, or $50 – whichever is greater |
| Failure to Pay Penalty | 1% of tax due per month (or fraction thereof), not to exceed 25% |
Extended? Your Alabama Business Return Deadline Is Coming Up.
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