Child Support Forms ; 4-3b. Addendum to Support Petition– Request for Child Support (IV-D) Services.I am fully aware of my right to collect these arrears and understand the consequences of this waiver. Thank you very much for your cooperation in this matter. This can often be accomplished online. A child support termination letter is used to petition the court to temporarily or permanently terminate a parent's legally mandated child support obligation. 1. Call your local Family Court to request a form called an "objection. Forgive the child support arrears (back support) owed. Start with income, using your bank statements as evidence. State time with children.