After the Affidavit of Service is done, it must be filed with the Court. 5. Enter the county where the affidavit is notarized. 6.The Affidavit of Service must be notarized. <. If you want a witness's testimony plan on having them present. We strongly encourage you to utilize our online or by-mail options. Rich in the tradition and history of Maryland, the Office of Clerk of the Circuit Court is one of the oldest public institutions in the state. Contact the Victims Advocacy in the Prosecutor's Office for them to have you complete the victim verification process.