Complete a Complaint for Custody (CC-DR-004) to ask to the court to grant you custody. Most Maryland family law court forms are in this index.Maryland's courts have hundreds of forms available. These court forms allow you to file and respond to court cases. This article is designed to give you general information on how courts decide custody and visitation rights in Maryland. This form should only be used to request a Child Custody document within a court case file (ie Child Custody, Child Support, Paternity, etc.). Visit the Appropriate Website or Courthouse: For online forms, visit the Maryland Judiciary website. For in-person forms, go to your local circuit court. O If it is from a Maryland court, either parent can file a motion to modify the order at any time. Under Maryland law a 16yearold may file a petition to modify custody on his or her own behalf.