The mortgage foreclosure process it outlined below in detail. This is designed for lawyers.Recover lost promissory notes with ease. What information is required to complete a lost note affidavit? Collect the contact information of the parties involved: name, address, phone number, etc. Find out how to challenge a lender's standing in Illinois foreclosure cases and strengthen your defense against improper foreclosures. They should not be able to proceed but if they have a lost note affidavit the judge may allow it. (1) Requirement of Proveup Affidavits. In some cases, though, the court might accept a lost note affidavit (see below). Form of Prove-up Affidavits.