Federal approval.

If the department of health services or the department of children and families determines that federal approval is required to implement any part of this section, the applicable department shall submit a state plan amendment or request for a waiver to the federal department of health and human services. The departments shall implement this section to the extent that the federal department of health and human services does not disapprove of the plan amendment or waiver request and if the department of children and families determines that this section as it pertains to child support and paternity order establishment and compliance is able to be implemented in a way that is substantially state budget neutral in regard to child support fees.