NOTICE: This "Affidavit Regarding Minor Children" is required for all legal decision making. Step 1: Complete forms.You can download the forms to open your case from the state's self-help website or your county's website. This document provides essential instructions for filling out family case legal forms in Maricopa County. The link provided will send you to the accepted legal decision making and parenting plans ( custody ) for your location. The most important and non-negotiable mandatory disclosure is the Affidavit of Financial Information (AFI). Name of Person Claiming. Custody or Visitation: Complete Address: Basis of Claim: (Why this person believes he or she has rights concerning the child(ren)). This form is used to record the selling price, date of sale and other required information about the sale of property. Explanation of Codes.