IRS letter explained

IRS Notice CP59: the IRS can't find your return

A CP59 means the IRS has no record of a tax return it expected from you. It's usually the first letter about a missing return, and it's much easier to deal with now than later.

UrgencyAct soon
What it isA request for a missing return
Time to respondBy the date on the notice
If you don't respondThe IRS may file a return for you