Both parties must sign Form T1157, Election for Child Support Payments, and send it to the Canada Revenue Agency. First, subtract the total amount of deductions on line 13 from your total income on line 1.Many participants in the consultation program provided their comments on custody, access and child support in the form of written submissions. Apply Online – It's secure and convenient. NC Child Support Application. 3. Child Support Services (CSS) are available to anyone who needs help collecting child support through a network of state and locally run offices. • The application (filled out completely, to the best of your ability). • Proof of your income, if you are the child(ren)'s parent (e.g. Use our child support calculator to provide an estimate of the child support payments the court may order you to pay in NC.. Call us today at . North Carolina offers three property tax relief programs.