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View All Corporate Income Tax FAQs

What are the reporting requirements as the result of an IRS audit?

To report changes made by the IRS, a corporation must file an amended Form 20C for the specific tax period. The following information MUST be included with the amended return (see Regulation 810-3-40-.01(4)):

If the corporation files as a separate entity:

A complete copy of the revenue agent’s report (RAR) provided by the IRS to include, but not limited to, Form 4549-A, 4549-B and Form 870,
A copy of the Form 20C as originally filed, and
Federal Form 1120 as originally filed and/or amended.

If the corporation is part of a consolidated group, the following information is required along with the above information:

A listing of the IRS adjustments made to each company in the consolidated group,
A copy of the Federal Form 851, Affiliations Schedule,
A copy of the income statement spread for every company, and
A copy of the consolidated Federal 1120 as originally filed and/or amended.
If the IRS audit results in a refund, the request for refund must be made within one year from the date of final determination of the IRS audit. If the audit results in additional tax due, the department can assess the additional tax within one year after the Department has been notified.

To report changes made by the IRS, a corporation must file an amended Form 20C for the specific tax period. The following information MUST be included with the amended return (see Regulation 810-3-40-.01(4)):

If the corporation files as a separate entity:

  • A complete copy of the revenue agent’s report (RAR) provided by the IRS to include, but not limited to, Form 4549-A, 4549-B and Form 870,
  • A copy of the Form 20C as originally filed, and
  • Federal Form 1120 as originally filed and/or amended.
  • If the corporation is part of a consolidated group, the following information is required along with the above information:
  • A listing of the IRS adjustments made to each company in the consolidated group,
  • A copy of the Federal Form 851, Affiliations Schedule,
  • A copy of the income statement spread for every company, and
  • A copy of the consolidated Federal 1120 as originally filed and/or amended.

If the IRS audit results in a refund, the request for refund must be made within one year from the date of final determination of the IRS audit. If the audit results in additional tax due, the department can assess the additional tax within one year after the department has been notified.

Related FAQs in Corporate Income Tax

View information on the Small Business Health Premiums Deduction (Act 2008-559, amended by Act 2011-155). View Form 4020- Small Business Health Insurance Deduction Information.

View information regarding Alabama Consolidated Income Tax Returns.

C-corporations, and those LLCs that have elected to file as a c-corporation, doing business in Alabama or deriving income from sources within Alabama, including income from property located in Alabama and on every corporation licensed or qualified to transact business in Alabama except for those corporations specifically exempted by §40-18-32.

Yes. If the company has registered or qualified to do business in the state, a Form 20C is required to report no activity and/or business activity as provided by Sections 40-18-2 and 40-18-31, Code of Alabama 1975.

Yes. 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.

NOTE: This is an extension for filing purposes ONLY. The full amount of the tax liability is due by the original due date of the return.

Yes. Alabama Code §40-2A-7(c)(2) states, “A petition for refund shall be filed with the department or an automatic refund issued pursuant to Section 40-29-71, or a credit allowed, within (i) three years from the date that the return was filed, or (ii) two years from the date of payment of the tax, whichever is later, or, if no return was timely filed, two years from the date of payment of the tax.”