The family courts have jurisdiction over child custody cases, and they alone can decide whether or not joint custody is feasible for the family. (divorcesource.com)
Otherwise, select the circuit court with jurisdiction over the child's residence. (info.legalzoom.com)
If the court grants permission, the terms of your original decree or custody order change to accommodate the move, but your home state typically retains jurisdiction over your children. (info.legalzoom.com)