The contract may already be cancelled by its own terms. Usually Purchase and Sale Agreements have a provision for a timely closing, the failure of which to occur will result in a termination of the contract. You should check the contract again to see if there is such a provision, specifically regarding the timing of close. There could also be contingencies that the Seller's lender needed to approve before the contract was even valid. A well drafted Agreement would have deadlines for this to...
It sounds suspect that there has been a foreclosure sale without notice to the creditors, especially one holdiing a first trust deed. Who was the party that initiated the foreclosure? Was it a tax deliquency matter or an HOA foreclosure? These are typically the only liens that would have priority over a first trust deed. Was your deed of trust recorded?
It's always best to have the full and correct information on the EIN, even if it is as minor as omitting the "LLC" from the name of your entity. Currently, the IRS does not have a form for correcting mistakes on the EIN (form SS-4), so you will have to draft a letter making the correction. Assuming you have an Arizona LLC, You can send the letter to: Internal Revenue Service M/S 6273 Ogden, UT USA 84201 Fax Number: 1-801-620-7116 The IRS will send you a confirmation letter...