That is something that is agreed upon between the parties. Sometimes if the children are old enough, they can have some impact into what that determination should be. Essentially, two thinking parents should be able to decide this between themselves. However, if they’re unable to agree or have specific disagreements, then the court must make that determination. The court may use a forensic psychologist to help them. The court may appoint an attorney for the child to help them. But in the end, if the two parties involved cannot make the decision, the court will make the decision for you.