Final answer:
After filing your taxes, you can file for a tax refund if you have overpaid. Generally, you can file for a tax refund within three years of the original tax return deadline.
Step-by-step explanation:
After filing your taxes, the Internal Revenue Service (IRS) processes your return to determine if you owe additional taxes or if you are eligible for a tax refund. If you have overpaid your taxes, you can file for a tax refund. Generally, you can file for a tax refund within three years of the original tax return deadline.