They may not have anything to do with filing a lien, but they can sure freeze your bank accounts and everything else if you don't answer them or show you are cooperating. If they 'lien' on ya, it is really hard to get them off your back.
I guess I would trust no one else to handle my financial responsibilities to creditors or the IRS. Overseeing it all makes sure you don't have a "oh no!" in your future.
Coachmen Pathfinder 384 TS 40 footer "Supermassive Black Hole"
2 parakeets, 1 canary, Buckie the pug, Sissie the doxie, and a cheewawa named Hope.