Hello, I'm seeking some guidance on how to go about cancelling a Child Support Agreement with my child's biological father. Is it as simple as contacting Child Support and letting them know that I don't require any money from him or do I need approval from a Family Court? He is withholding paperwork for my daughter to change her surname and will only sign the form when I have cancelled his child support obligations. My daughter has always had my surname and wants a name change to her stepfather's surname when we wed. I haven't been able to locate this information on the Child Support website. Thank you in advance.