740 ILCS 170/11

The provisions of this Act do not apply to orders for withholding of income entered by the court under provisions of The Illinois Public Aid Code, the Illinois Marriage and Dissolution of Marriage Act, the Non-Support of Spouse and Children Act, the Non-Support Punishment Act, the Revised Uniform Reciprocal Enforcement of Support Act, the Illinois Parentage Act of 1984, and the Illinois Parentage Act of 2015 for support of a child or maintenance of a spouse.