If the parents have joint legal custody (by which they share making major decisions regarding the child), that by itself will have little effect on child support. Call the Law Office of Anthony LoPresti if you have issues with child support or child custody. Even with joint custody, the parent with whom the children spend most of their time is considered the custodial parent, and the other is the non-custodial parent. This is the case even when there is joint physical custody, and everyone's sch...