The Virginia Judicial System has a number of forms for each court available on the court's form page. This page includes information about child custody, child visitation and child support issues in Virginia.To file your Motion for custody modification in the Juvenile Court, fill out the Virginia Form DC-630, which is the "Motion to Amend or Review Order." You should file a Rule to Show Cause. Our lawyers will help you complete and file all the required paperwork quickly. Hi, the child custody can be filed in the court where the child resides. Reducing Your Child Support Payments Virginia Dept.