Petition for (Custody) (Visitation). Child Support Forms ; 4-3b.Addendum to Support Petition– Request for Child Support (IV-D) Services. A custodial parent may file a petition with their local child support agency. You may be able to go to Family Court to file a Petition to start or to appear in an already started Family Court matter. This online program from Family Legal Care guides you through filling out a Petition for Child Support. How to create and respond to parenting plan and child support requests. Contact. Intheblanks form required for any matter originating and electronically filed in Supreme or Surrogate's Courts in Richmond County. Complete JDF 1035 - Response to Petition (custody). File Your Paperwork.