Laws calm legal forms guide Form 1120-X-ME is an amended corporate income tax return for corporations operating in Maine. Corporations can amend their previously filed tax returns using this form. The form can be found on the website of the government of the state of Maine. Here are the steps to complete the form: Step 1: At the top of the form, enter the name of your corporation, its federal business code, employer identification number, address, city, town, zip code, and state of incorporation if applicable. Also, enter the federal employer identification number of your parent company. Provide the name and phone number of a contact person. Step 2: Indicate the reason you are filing an amended return with a check mark. Step 3: On the first two pages, you will find lines that need to be completed. Each line has three columns. Column A is for your originally reported figures, Column B requires you to enter the difference between the original and amended figures, and Column C is for the amended figure. Step 4: Enter your federal consolidated income on line A. Step 5: Enter your federal taxable income on line 1. Step 6: Enter your subtractions on lines 2A through 2H. Total these on line 2K. Step 7: Subtract line 2K from line 1 and enter the difference on line 1. Step 8: Document your additions on lines 3A through 4H. Add lines 3 and 4H and enter the total on line 5. Step 9: Calculate your taxes as instructed on lines 6 through 7. Step 10: Document your payments and credits on lines 8A through 8H. Step 11: Lines 9 through 11 provide instructions for calculating your final balance or refund owed. Step 12: At the bottom of the second page, provide your company's web page, your...