You file an Offer in Compromise. There is a specific form to do this; it is best done with the assistance of a tax accountant or attorney. Even if you leave the

You file an Offer in Compromise. There is a specific form to do this; it is best done with the assistance of a tax accountant or attorney. Even if you leave the United States, the tax bill will keep growing unless you address it. Extradition is not an issue btw, this is a civil matter.