Follow the steps to successfully complete your AL 40X form.

1. Press the ‘Get Form’ button to access and open the AL 40X form in your chosen online editor.
2. Enter your social security number in the designated field. If you are filing a joint return, also input your spouse’s social security number.
3. Provide your first name, initial, and last name, followed by your spouse’s first name, initial, and last name if applicable.
4. Fill in your current home address, including the number and street or P.O. Box, city, town, state, and ZIP code.
5. If the name and address on your original return differ from the current information, detail them here. Otherwise, write 'Same'.
6. Indicate the date the original return was filed and select the type of form you originally filed.
7. Answer whether your federal return has been audited and provide details if applicable. Check if the amendment concerns a net operating loss carryback or carryforward.
8. Enter the total income, adjustments to income, and determine your adjusted gross income.
9. Choose between standard and itemized deductions, and complete the subsequent calculations to derive your taxable income.
10. Calculate your income tax liability and include any consumer use tax, ensuring to compute total amounts accordingly.
11. List any credits from applicable schedules and compute your net tax liability.
12. Record Alabama income tax withheld, estimated tax payments, and any other relevant payments.
13. Determine your balance due or refund, ensuring all calculations are accurate.
14. If applicable, authorize a representative from the Department of Revenue to discuss your return with your tax preparer.
15. Sign and date the form, ensuring both spouses sign if filing jointly.
16. Attach any required explanations of changes and applicable schedules.
17. Save your changes in the online form, and then download or print the completed document for your records.
18. Share or submit the form as directed by the mailing instructions provided, which specify the correct destination for the AL 40X.

Complete your AL 40X form online today to ensure your tax amendments are processed correctly.