The 1997 Alabama Corporate Income Tax (C-Corporation and S-Corporation) forms are available on this page.  The 1997 Alabama S-Corporation Income Tax Forms are located on the 1997 Pass-Thru Entities Forms Page. Please let us know if you would like to see additional forms or information concerning Alabama Corporate Income tax. Forms 2848A, 4506A, 8821A, 40X, and IT:489 are now located on the General Tax Forms page. You can now pay your Corporate Income Tax Invoice, Assessment and return payments by Credit Card or at NO CHARGE by E-Check.