What information is required to complete a lost note affidavit? Collect the contact information of the parties involved: name, address, phone number, etc.The notary public must sign each copy of the form in ink. In Wells Fargo Bank, N.A. v. Along with the new promissory note, you will need to execute a document called an Affidavit of Lost Promissory Note and Indemnity Agreement. Out of existence after the 2011 foreclosure sale. This will require filing the affidavit along with other court documents. Lost promissory note paid in full. 565.451a Affidavit stating facts relating to matters affecting realty; recording. Sec. 1a. Also, most people who take out a loan to buy a residential property in Michigan sign a promissory note and mortgage.