After you file

You can obtain a copy of last years return from the tax service you filed with. If you did not file a return. You simply file using the tax service of your choosing. You can file up to 3 yh ears back and still receive the return. Any further back and the irs is not obligated to pay out the return. You can always call 800-829-1040 they can help you with filing previous year returns and get copys of previous years.