How to fill out the order for your legal decision-making (legal custody), parenting time and child support. I. General information.Fill out this Affidavit completely, and provide accurate information. Use additional paper if necessary. 1. I have the actual care and custody of minor child. This is an article that outlines how to fill out the forms but let's just do it together. This document is an affidavit of actual care and custody for a minor child's participation in school sports events. The link provided will send you to the accepted legal decision making and parenting plans ( custody ) for your location. Court for a change of custody, parenting time and child support. Read it carefully before you fill out the Petition. 1.