This form is filed with the Court after the service is done. This form is called an Affidavit of Service.4. Write the case Index Number. 5. Enter the county where the affidavit is notarized. 6. Instructions for filling out deeds. Instructions for filling out deeds. How to fill out the deed forms from the Franklin County Law Library: 1) Read the entire form carefully. Fill in the blank form formatted to comply with all recording and content requirements. Writing a Buddy Letter or Affidavit in Support of a VA Benefits Claim.