Petition (Violation of Support Order). Petition for (Custody) (Visitation).Complete General Form 17 to petition for custody or visitation. A custodial parent may file a petition with their local child support agency. This online program from Family Legal Care guides you through filling out a Petition for Child Support. How do I ask the court for custody or visitation of my child? Child Support, Visitation, Custody and Paternity Petition Forms. This document applies to you if you are a parent (custodial parent or noncustodial parent), seeking to establish or modify a child support order. The more you know, the more comfortable you will be when you fill out the necessary court forms and come to court. You will file the application in the family court in the county your child resides in.