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Generating Form 1120X in ProConnect Tax

by ProConnect Tax Online Updated 5 months ago

Before you start, we recommend creating a copy of the original Form 1120 to save the entries as they were filed. However, printing or e-filing from the copied return will incur a new charge. You'll want to make changes, print, and e-file from the original return, while saving the copy for your records. Refer to this resource for instructions on copying client returns in ProConnect Tax.

Follow these steps to amend a corporate income tax return:

  1. Go to Input Return Miscellaneous Forms Amended Return (1120X).
  2. Select Federal and General Information.
  3. Check the Amending federal return (MANDATORY) box.
  4. Enter a 1 in 1=amending state return (MANDATORY) {} if applicable.
  5. Scroll down to the Miscellaneous Information section and complete any applicable fields.
  6. Scroll down to the Income Tax Return section.
  7. Complete the AS ORIGINALLY REPORTED column with the amounts from the Form 1120 that were previously filed.
    • Leave the CORRECT AMOUNT [OVERRIDE] column blank unless absolutely necessary. Any entry in this column will stop the program's automatic calculations.
  8. From the top of the screen, select the Explanation of Changes section and enter the Federal explanation of changes.
    • This text will print on a statement with the return and be included in the e-file.
  9. Use the main input screens to make any applicable changes.
    • For example, if amending to claim the Foreign Tax Credit, select Credits from the left-side menu and choose Foreign Tax Credit (1118) to enter the foreign taxes paid there.
  10. Go to the Check Return tab and verify that Form 1120X is generating the correct amounts.

If you're e-filing the amended return, be sure to print another Form 8879-C and obtain an officer's signature. You should keep the 8879-C from both the original return and the amended return for your records.

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