Parents must financially support their child until the child turns 21 years old or is emancipated. The Support Magistrate calculates how much support the non-custodial parent must pay to the parent with custody, and sets a schedule for regular payments.OCSS services include assistance with locating noncustodial parents, establishing parentage, establishing child support and medical support orders. Online payments can be made through ExpertPay. The judge will begin the determination of alimony amount with one of two statutory formulas depending on whether or not child support will also be paid. Our experienced NYC child support attorneys can assist parents who need help understanding child support laws. Child support is payable until the child reaches the age of 21, and sometimes, in the case of a written agreement, beyond that age. Child support payments are not taxable. The total child support obligation is then divided between the parents in proportion to each of their incomes. Need Counsel or Help to File for Child Support in Manhattan, Brooklyn, Queens, Staten Island, the Bronx or Long Island?