Why Do Current Child Support Guidelines Need Improvement?
When asked for a formal, public explanation for why we need presumptive child support guidelines, supporters give few reasons.

Gallaher v. Elam
Tennessee holds failure of guideline child support to account for later children unconstitutional.

Reddick v. Sweat
Georgia's child support guidelines declared unconstitutional in Superior Court.

Case in Brief: Courts Uphold Criminal Penalties for the Failure to Pay Child Support
From the National Conference of State Legislatures

An example of a successful Challenge to absurd "child support"
An example of a real challenge to an attempt to gain more child support for what was, in fact, NOT any such thing as "extraordinary expenses." The challenge pleading was denied, but the net effect was achieved! (Added March 24, 2002.).