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Alabama Form 40ES
Alabama Tax Forms and Instructions for 2020 (Form 40)

Alabama Tax Forms and Instructions for 2020 (Form 40)-2025

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The document is a worksheet and instructions for the Alabama Department of Revenue's Form 40ES, which is used for estimating income tax payments for the calendar year 2021. It outlines how to calculate estimated taxable income, compute tax based on income brackets, and record state estimated tax payments. The form also provides details on payment deadlines, penalties for underpayment, and specific instructions for taxpayers, including those filing jointly or on a fiscal year basis.

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Got questions?

We have answers to the most popular questions from our customers. If you can't find an answer to your question, please contact us.

Where do I get my or 40 form?

Forms OR-40, OR-40-P, and OR-40-N can be found at .oregon.gov/dor/forms or you can contact us to order it.

Where to get Alabama form 40?

Go to for location and contact information. You may also place an order online for forms to be mailed to you by going to . All forms are available for download on this website.

How do I order 2020 tax forms and instructions?

Get federal tax forms for current and prior years Download them from IRS.gov. Order online and have them delivered by U.S. mail. Order by phone at 1-800-TAX-FORM (1-800-829-3676)

Are you required to file both form 40 and form 40nr for your Alabama income?

Yes, since you were a part-year resident and you also had income from Alabama sources while a non-resident during the same tax year.