The New York Addendum To Support Petition — Request For Child Support (IV-D) is a legal form used to request child support in the state of New York. This form is used to ensure that the custodial parent receives the appropriate child support from the non-custodial parent, as set forth by the state's child support guidelines. The IV-D addendum is part of the larger petition for child support process and is designed to provide the court with the details necessary to make a decision on the support amount and payment plan. The New York IV-D addendum consists of four forms: 1. Petition for Child Support (IV-D) 2. Income Statement of Non-Custodial Parent 3. Income Statement of Custodial Parent 4. Child Support Worksheet. The Petition for Child Support (IV-D) form is used to request the court to order the non-custodial parent to pay child support. The Income Statement forms are used to provide proof of income for both parents, and the Child Support Worksheet is used to calculate the amount of support that should be paid. Once the forms are completed, the custodial parent must submit the addendum to the court. The New York Addendum To Support Petition — Request For Child Support (IV-D) is a crucial part of the petition for child support process and is necessary to ensure that the custodial parent receives the appropriate amount of support.