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As a result, you are now either due a refund when you originally owed additional tax (yay) or the original refund amount changed. If you are self-employed, you generally make estimated tax payments by submitting payment four times a year along with a completed Form 1040-ES. If you havent gotten your refund after well over a year, you need to call the IRS to find out what happened. Most offices are independently owned and operated. You made one or more mistakes on your tax return and the IRS has corrected them resulting in you paying too much on your taxes. //-->