Arizona Petition to Modify Parenting Time and Child Support is a legal document that is used to request a modification of an existing court order that pertains to a parent’s responsibility to pay child support or to the parents’ visitation rights, or both. This petition must be filed with the court by an attorney or the parent seeking the modification. There are two main types of Arizona Petition to Modify Parenting Time and Child Support: Petition to Modify Parenting Time and Petition to Modify Child Support. The Petition to Modify Parenting Time is used to request changes to the parenting plan that the court has already ordered. The Petition to Modify Child Support is used to request a change in the amount of child support that is due. Both petitions must include specific information about why the modification is being requested and must be supported by evidence.