This is the letter I sent to the IRS on a $4,400 tax bill. Last week I got a letter telling me they were going to put a lein on my property if I didn't pay.
Today I got the second letter I am posting. I think I might just wait the full 90 days to see what happens.

Oh! One big neat trick I forgot to mention! Investiagte how to apply your own lien against your own property for a MUCH LARGER sum. I am not the real estate lawyer type more the trail lawyer arguer so I can't remember the specifics but the law has a "first in line" system when it comes to liens and yours would be first before theirs if you do it in the next 90 days before they do. I have heard of people doing this successfully.