
Alabama State Tax Extension: The Ultimate Guide
All you need to know about filing a tax extension in Alabama.
Your Takeaways:
- Alabama gives you an automatic 6-month extension to file your state tax return if you can't make the April 15th deadline.
- To avoid penalties, you must pay at least 90% of your tax liability by April 15th—even if you file later.
- Payments over $25,000 must be made electronically.
- An extension to file is not an extension to pay.
Feeling stressed about filing your Alabama state taxes on time?
You're not alone.
Whether you're missing paperwork, need more time to figure out your deductions, or are just overwhelmed with tax season, there's good news—you can get more time!
Alabama gives you a 6-month extension so you can breathe a little and file by October instead of April.
But before you exhale, remember—an extension to file doesn't mean an extension to pay.
To avoid penalties, you must pay your total tax liability by April 15th. This refers to the full amount you’ll report when filing your Alabama return—not just an estimate. If you failed to pay all your tax liabilities, you'll face penalties may apply.
Don't worry; we've got you covered.
In this guide, we'll walk you through everything you need to know about filing an Alabama tax extension, from deadlines to step-by-step instructions.
Let's get started!
Alabama State Tax Extension Requirements
What is an Extension?
An extension gives you more time to file, but remember, it doesn't give you more time to pay. Alabama automatically grants an extension to taxpayers who need more time to file their returns.
Alabama Extension Deadlines
- Original deadline: April 15th
- Extended deadline: October 15th (6 months)
Do I Need to File a Separate Alabama Extension if I File a Federal Extension?
You don't need to file anything to get an Alabama extension.
If you're submitting a tax payment by check or money order, use Alabama Form 40V as your payment voucher.
What Happens if I File an Extension?
If you file an extension, your new filing deadline will be October 15th. However, penalties and interest will apply to unpaid taxes after April 15th, so you must pay your tax liabilities on time.
How to Qualify for an Alabama Tax Extension

- Alabama grants an extension if you need more time to file your tax return.
- If you owe taxes, you can submit your payment using Form 40V by April 15th. Use Form 40V if you're paying by check or money order. To send electronic payments, use the My Alabama Taxes portal to find a digital version of the form.
Alabama Tax Collection Trends: 2021–2023

Alabama Tax Revenue Growth Overview
This chart shows the steady increase in Alabama’s tax collections from 2021 to 2023. The state’s revenue went from $13.97 billion in 2021 to $16.6 billion in 2023, a 19% increase. This growth in tax collections means more fiscal responsibility for Alabama taxpayers, so an extension would be a big help for individuals and businesses in managing their tax obligations.

Individual vs. Corporate Income Tax Refunds 2021–2023
This chart shows Alabama's individual and corporate income tax refunds from 2021 to 2023. Individual refunds increased significantly from $671 million in 2021 to $912 million in 2023. Corporate refunds were smaller in scale but fluctuated, peaking in 2023 at $188 million. The increase in refunds means more taxpayers need extensions to manage refunds and obligations under growing financial pressures.
FAQs
Do I have to pay my Alabama taxes to qualify for an extension?
No. Alabama doesn't require any payment to qualify for an extension. However, you should submit payment by April 15th to avoid a late payment penalty and interest.
Who is eligible for an extension in Alabama?
All individual taxpayers are eligible for an extension.
What are the penalties for late filing and payment in Alabama?
- Late Filing Penalty:If you file after the deadline without an approved extension, Alabama charges a one-time penalty of 10% of the taxes owed or $50, whichever is greater.
- Late Payment Penalty:If you fail to pay your taxes on time, Alabama charges 1% of the unpaid amount per month or part of a month, up to a maximum of 25%.
- Interest: Interest will also accrue on any unpaid balance from the original due date until paid in full. You can calculate your estimated interest using the My Alabama Taxes portal.
Can I file my extension online?
Yes! You can file your extension and make payments through the My Alabama Taxes portal.
Let Us Help!
Need help with your federal tax extension?
Alabama extensions are automatic—but if you're also filing federally, we can guide you through the process. Start your extension today.Bottom Line:
An Alabama tax extension gives you time to get your documents in order and file your return correctly.
Remember, an extension to file doesn’t provide more time to pay. Pay your tax liabilities by April 15th to avoid penalties and interest.
Ready to take the next step? Get started today and take the stress out of tax season.
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