The Pennsylvania Petition For Modification of Existing Support Order is a form used to ask the court to change an existing child or spousal support order. The petition is filed with the court, and the other party must be served with a copy of the petition and a summons. The petition must include information about the current support order, the facts that the petitioning party believes warrant a change, the timeline for when the change should take effect, and the amount of change requested. There are two types of Pennsylvania Petition For Modification of Existing Support Order: one for child support and one for spousal support. The petition for child support includes information about the child, such as their age, address, and school. The petition for spousal support includes information about the marriage, such as its duration and the parties’ incomes.