You must file the form attached to this notice, Certification of Premises as. Recover lost promissory notes with ease.The missing document problem is as routine and simple to solve as retrieving the lost document from the bottom of an electric rotating file cabinet. Creating a lost note affidavit is an essential process for protecting the legal rights of all involved in a promissory note transaction. Memorandum of Law in the form set forth in Phila.Civ.