INSTRUCTIONS: OKLAHOMA AMENDED RESIDENT INDIVIDUAL INCOME TAX RETURN FOR TAX YEAR 2010 (Form 511X)

A form 511X is filed to amend an Oklahoma resident's initially filed individual income tax return. This article discusses the version of the form filed for tax year 2010, which has the year pre-stamped on it. This form can be found on the website of the Oklahoma Tax Commission.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 1: In the first box, enter your Social Security number.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 2: If a joint return, enter your spouse's Social Security number in the next box.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 3: Enter your full name in the third box. If a joint return, enter your spouse's full name in the fourth box.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 4: Enter your present home street address in the fifth box.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 5: Enter your city, state and zip code in the sixth box. Enter your phone number in the seventh box.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 6: Indicate whether you filed an amended federal return with a check mark. If yes, attach a copy.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 7: Indicate the filing status being claimed with a check mark.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 8: Document the number of exemptions being claimed where indicated.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 9: Document your original and amended income and deductions as directed on lines 1 through 13.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 10: Document your original and amended tax liability as directed on lines 14 through 19.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 11: Document your original and amended payments as directed on lines 20 through 24.

Oklahoma Amended Resident Individual Income Tax Return For Tax Year 2010 511X Step 12: Calculate your original and amended refund or amount due as directed on lines 25 through 30.