The letter states the following: "This matter has been referred to this office for immediate action. We will assume this debt to be valid unless you dispute the validity of all or any part of it within thirty (30) days after receipt of this letter. If you notify us in writing that you dispute all or a portion of the debt, we will obtain and send to you verification of the debt or a copy of the Judgement against you. Upon written request within thirty (30) days after receipt of this notice, we will provide you with the name and address of the original creditor, if different from the credito