Arizona Petition To Modify Legal Decision Making Custody Parenting Time And Child Support is a legal document used in the Arizona court system to modify existing child custody, parenting time and child support orders. It is typically filed by one of the parents or legal guardians of the child and is used to modify existing court orders. This document is used when one or both parents cannot agree on the custody, parenting time and/or child support arrangements. Generally, there are two types of Arizona Petition To Modify Legal Decision Making Custody Parenting Time And Child Support: Petition to Modify Legal Decision Making and Petition to Modify Parenting Time and Child Support. The Petition to Modify Legal Decision Making is used to modify the legal decision-making authority for a child, such as which parent has primary custody. The Petition to Modify Parenting Time and Child Support is used to modify the existing parenting time schedule, such as the days and times that each parent spends with the child, and to modify the amount of child support paid by one parent to the other.