Alabama business filing dates, 2027

“S-Corporation | Due annually on March 15 for calendar year taxpayers.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Partnerships/Limited Liability Corporations | Due annually on March 15 for calendar year taxpayers.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Pass-through entities that file an election to be an Electing Pass-Through Entity must file Form EPT, in addition to Form 65 or 20S, and pay the tax due. The pass-through entity’s tax return is due on the 15th day of the third month after the close of the tax year (i.e., March 15 for calendar year filers).”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Corporate Income Tax for C-Corporations | Due one month following the due date of the corresponding federal income tax return, including applicable extensions.* Act 2022-53 allows for an additional one month following the due date of the corresponding federal income tax return, including applicable extensions. Original Due Date C corporation Forms 1120 and 1120-REIT(?): For Corporations on a calendar year, the due date is May 15. For Corporations on a fiscal year other than a calendar year and June 30 year end, the due date is the 15th day of the 5th month following the end of the corporation’s fiscal year. For Corporations with a fiscal year ending on June 30, the due date is October 15. Original Due Date C corporation Form 1120-F: For Corporations on a calendar year, the due date is July 15. For Corporations on a fiscal year other than a calendar year and June 30 year end, the due date is the 15th day of the 7th month following the end of the corporation’s fiscal year. For Corporations with a fiscal year ending on June 30, the due date is January 15 of the following year. Extended Due Date: If an extension has been granted for federal purposes, the extension is also granted for Alabama purposes; the Federal Form 7004 must be submitted with the Form 20C or Form 20C-C. Original Due Date Forms 990/990T: For Exempt Organization Business Income Tax taxpayers on a calendar year, the due date is June 15. Extended Due Date Forms 990/990T: If an extension has been granted for federal purposes, the extension is also granted for Alabama purposes; the Federal Form 8868 must be submitted with the Form 20-C. *NOTE: This is an extension for filing purposes ONLY. The full amount of the tax liability is due on or by the original due date of the return without the benefit of the additional one-month extension granted by Act 2022-53.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“For tax year beginning on or after January 1, 2022: Corporations are required to file their income tax return one month following the corresponding federal income tax returns, including applicable extensions, that are required to be filed as provided under federal law. If the due date falls on a Saturday, Sunday, or state holiday, the return will be due the following business day.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Corporations are required to pay estimated income tax if the corporation’s income tax less any credits for the taxable year can reasonably be expected to be $500 or more. quarterly estimated tax payments are required to be made by the 15th day of the 4th, 6th, 9th, and 12th months of the tax year.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Withholding | Varies by amounts due and monthly, quarterly, or annual returns. Monthly returns due by the 15th following the month close. Quarterly returns due on the last day of the month following the quarter end. Annual returns due by January 31 following the withholding year.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“If any due date falls on a Saturday, Sunday, or legal holiday, the payment and return are due by the next business day.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Withholding | Varies by amounts due and monthly, quarterly, or annual returns. Monthly returns due by the 15th following the month close. Quarterly returns due on the last day of the month following the quarter end. Annual returns due by January 31 following the withholding year.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“If any due date falls on a Saturday, Sunday, or legal holiday, the payment and return are due by the next business day.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Withholding | Varies by amounts due and monthly, quarterly, or annual returns. Monthly returns due by the 15th following the month close. Quarterly returns due on the last day of the month following the quarter end. Annual returns due by January 31 following the withholding year.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“If any due date falls on a Saturday, Sunday, or legal holiday, the payment and return are due by the next business day.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Monthly withholding returns are required of all withholding agents who have withheld more than $1,000.00 in either the first or second month of the quarter. Monthly returns and tax withheld are due between the 1st and the 15th of the month following the month in which the tax was withheld.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Quarterly reports and payments are due the last day of the month following the end of each quarter.”verbatim · labor.alabama.gov · retrieved 2026-09-23

“The sales tax is due monthly, with returns and remittances to be filed on or before the 20th day of the month for the previous month’s sales.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“However, pursuant to Section 40-23-7, Code of Alabama 1975, you may request quarterly filing status if you have a tax liability of less than $2,400 for the preceding calendar year. You may request bi-annual filing if you have a tax liability of less than $1,200 for the preceding calendar year.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Alabama Business Privilege Tax for Limited Liability Entities | Due the same date as the corresponding federal income tax return. The due date is the 15th day of the 3rd month after beginning of taxable year”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Alabama Business Privilege Tax for S-Corporations | Due the same date as the corresponding federal S-Corporation income tax return. The due date is the 15th day of the 3rd month after beginning of taxable year.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“Alabama Business Privilege Tax for C Corporations | Due the same date as the corresponding federal income tax return. For calendar year taxpayers and taxpayers with a fiscal year other than June 30, the due date is the 15th day of the 4th month after the beginning of the taxable year. For corporations with a taxable fiscal year of June 30, the due date is 15th day of the 3rd month after the beginning of the taxpayer’s taxable year.”verbatim · revenue.alabama.gov · retrieved 2026-09-23

“HB 230 removes the requirement for businesses to file an annual report”verbatim · sos.alabama.gov · retrieved 2026-09-23

“If the due date falls on a Saturday, Sunday, or state holiday, the return will be due the following business day.”verbatim · revenue.alabama.gov · retrieved 2026-09-23