The undersigned affiant,. 4. Write the case Index Number. 5.Enter the county where the affidavit is notarized. 6. A. BIOGRAPHICAL INFORMATION: Fill in your. This online program from Family Legal Care guides you through filling out the Address Confidentiality Affidavit. This is known as the introductory paragraph. A person filing an affidavit in New York State must have that affidavit docHubd. This online program from Family Legal Care guides you through filling out the Address Confidentiality Affidavit. Complete the requested information in Pacer.gov. All legal forms are in word format, unless otherwise indicated.