The answer might be simple if your "LLC" is merely a bank account, and not an actual business. However, as the other correct replies suggest,...

On certain occasions you just need to retain an experienced tax attorney to deal with the confusion at the IRS. Do not ignore them.

If your position, or your duties, have not changed, this classification change is very likely not proper. You might consider filing form SS-8 with...

If you are not satisfied with the results, eventually you can report what you consider to be tax fraud to the IRS by going to their website,...

If there are no assets and nothing in the bank account, this is a moot issue. You can tell the State that the IRS has you as uncollectible, and...

In addition to getting that identity PIN, file your own return as soon as possible.

It is possible, but probably not provable, that the company defrauded you. However, it is common in the tax resolution company" industry for them...

Chances are that they will indeed EVENTUALLY realize it, but who knows if they will refund it or merely apply it to some other tax period. You...

What is the basis of your "understanding?" To give your company all the legal rights to which it is entitled, and to reduce the chance of serious...

The advice you already got may have been very misleading. You likely will not need a new EIN, but you do need good legal and tax advice.