Petition for (Custody) (Visitation). Where to File for Custody.Custody cases are usually started in Family Court. The forms listed below may be used for filing in the Wayne County Court of Common Pleas. The Court strongly recommends that persons obtain legal counsel. The Wayne County Probate Court explains how to fill out form PC 651 Petition for Appointment of Guardian of Minor. Complete the form titled "Notice and Order to Appear" but leave all lines below the name of the Respondent blank. 4. Each of the documents listed below inculde a blank form and the instructions to fill out that form. You can voluntarily dismiss your child custody petition without any penalty. A petition for custody would be filed in the juvenile, family, or domestic relations Court with jurisdiction over the child, at the county level.