If the custodial parent and child still reside in NY, you would need a NY lawyer for a NY case to modify. Child Support Forms ; 4-3a.Petition (Commissioner). The Georgia Division of Child Support Services (DCSS) provides child support services that include reviewing a child support order. Georgia family law courts may order both temporary and permanent alimony. Custodial or non-custodial parents may apply for services at the local agency in their county of residence or online. Georgia Child Support Calculator. GA moved to what is known as the "Income Shares Model" for calculation of child support. In Georgia, alimony is not a right, but it can be appropriate in certain situations and awarded over time or in one lump sum after a divorce settlement. Georgia has a Basic Child Support Obligation table which defines a base monthly amount for the number of children.