The Pennsylvania Petition to Modify Existing Support Order is a type of court document used in Pennsylvania to request a change to an existing child support or spousal support order. The Petition is filed with the court by a party who seeks to modify the existing order. This Petition can be used to request an increase or decrease in the amount of support, as well as to modify the duration of the support order. The Petition also includes information about the reasons for the request and the proposed changes. There are two types of Pennsylvania Petition to Modify Existing Support Order: one for child support and one for spousal support. The Petition for Child Support can be used to request a change in the amount of support owed, the duration of the order, or both. The Petition for Spousal Support can be used to request a change in the amount of support owed, the duration of the order, or both, and to modify the terms of the order as they relate to the division of marital property.