INSTRUCTIONS: IOWA AMENDED CORPORATION INCOME TAX RETURN (Form IA 1120X)

Iowa corporations use a form 1120X in order to make changes to a previously filed 1120 or 1120A income tax return. This form cannot be used to document a loss carryback. Only one year can be covered in this document, which is found on the website of the government of Iowa.

Iowa Amended Corporation Income Tax Return IA 1120X Step 1: At the top of the form, enter the beginning and ending dates for which you are filing this return.

Iowa Amended Corporation Income Tax Return IA 1120X Step 2: Give your corporation's name and address.

Iowa Amended Corporation Income Tax Return IA 1120X Step 3: Give your filing status and the type of return previously filed.

Iowa Amended Corporation Income Tax Return IA 1120X Step 4: Give your Federal Employer Identification Number, phone number and a contact person's name.

Iowa Amended Corporation Income Tax Return IA 1120X Step 5: Indicate with a check mark whether filing an amended return as the result of a federal audit, a federal 1120X form, as a protective claim, or for another reason.

Iowa Amended Corporation Income Tax Return IA 1120X Step 6: If the name, address or Federal Employer Identification Number of the business has changed since your last filed return, indicate this with a check mark.

Iowa Amended Corporation Income Tax Return IA 1120X Step 7: On lines 1 through 31, three columns are provided. In column a, enter the figure in question as originally reported. In column b, give the net change between your original and amended amounts. In column c, give your corrected amount.

Iowa Amended Corporation Income Tax Return IA 1120X Step 8: Lines 1 through 8 concern your net income.

Iowa Amended Corporation Income Tax Return IA 1120X Step 9: Lines 9 through 16 concern your net operating loss.

Iowa Amended Corporation Income Tax Return IA 1120X Step 10: Lines 17 through 24 provide instructions to calculate your taxes owed. Lines 25 through 28 concern the final calculations necessary to determine the amount owed.

Iowa Amended Corporation Income Tax Return IA 1120X Step 11: Lines 29 through 31 concern overpayment and refunds.

Iowa Amended Corporation Income Tax Return IA 1120X Step 13: On the second page, give a description of all income, deductions and credits which have changed and the amounts. Sign and date the first page.