The court requires proof of service. The person who served the documents should fill out an affidavit of service.How Do I Serve a Complaint or Petition? The court will issue a Writ of Summons, 5 to 10 days after you file your Complaint or Petition. In Maryland, issuing a preliminary notice is the first step for subcontractors and suppliers to protect their right to file a mechanics lien. A VEFSP provides an online service to help you file your documents. Each VEFSP offers a variety of different costs and features. Need help filling out court forms? Then, send it to: Aetna Better Health of Maryland Attn: Appeal and Grievance Department