Here's a 2 1/2 year breakdown of IRS "collection" cases that one representative on staff handled (this doesn't include research cases, tax prep cases, state cases and other different type of resolution cases):
Offer in Compromise 173 - Client settled their debt for much less than what they owed.
Currently Not Collectible 116 - Client was given up a "two year vacation" from paying the debt (or longer).
Payment Plan/Penalty Abatement 260 - Client was set up in livable agreement with a several month cushion. A request to waive penalties was made.
OIC (Appeal Only) 3 - Client's OIC was rejected. We appealed it and won.
Total: 552 Cases