Alabama Form 20C can be filled out online using the FormsPal PDF editor. The editor supports all fillable fields, digital signatures, and annotations so you can complete your corporation income tax return quickly. Follow these steps to get started.
Step 1: Click the "Get Form" button above to open the PDF editor in your browser.
Step 2: Enter your corporation's Federal Employer Identification Number, state of incorporation, and tax year. Complete the identifying fields at the top of the return, including federal taxable income and applicable Alabama adjustments.
Step 3: Complete Schedule A (Alabama apportionment factor) and Schedule B (Alabama net operating loss). Fill in all income, deduction, and credit sections that apply to your corporation.
Step 4: Review every field for accuracy. Confirm your federal taxable income, Alabama adjustments, and the total tax due or overpayment on the signature page before proceeding.
Step 5: Click "Done" to save the form. Download it for your records or print it for mailing to the Alabama Department of Revenue, Corporate Income Tax Section. Register for a free FormsPal account to save your progress and access the form at any time.
Who Must File Alabama Form 20C?
All C corporations doing business in Alabama or receiving income from Alabama sources must file Form 20C each year. Multistate corporations report using the Alabama apportionment factor. Members of a consolidated federal group may file separately or as part of a combined Alabama return. Exempt organizations with unrelated business income may also be required to file.
Filing Deadlines and Penalties
Calendar-year filers must submit Form 20C by April 15. A six-month automatic extension is granted by filing Form 20EXT before the original deadline. Alabama charges a 10% penalty on any unpaid tax if the return is filed late without a valid extension. Interest accrues on outstanding balances until paid in full. For withholding obligations, see Alabama Form A-1. For individual Alabama income tax, see Alabama Form 40A.
Frequently Asked Questions
What is Alabama Form 20C used for?
Form 20C is the annual Corporation Income Tax Return. Corporations use it to calculate and report their Alabama income tax liability for the fiscal or calendar year, including apportionment schedules and net operating loss carryovers.
Where do I mail Alabama Form 20C?
Mail the completed return with payment to: Alabama Department of Revenue, Corporate Income Tax Section, P.O. Box 327441, Montgomery, AL 36132-7441.
Can I file Alabama Form 20C electronically?
Yes. Alabama participates in the federal/state e-file program. Corporations with more than $2,500 in annual Alabama income tax liability are required to file electronically using approved tax software.