If you don’t owe then you have 3yrs (IIRC) to file. Of course, you also don’t get a refund until you file. And you usually have to do all the same work to kno

If you don’t owe then you have 3yrs (IIRC) to file. Of course, you also don’t get a refund until you file. And you usually have to do all the same work to know whether you owe or not…