Administrative Agency Rules and Empowering Statutes The Missouri Division of Child Support Enforcement has published the rules it uses to establish the rate at which child support should be set. I have posted them at the following link State Rules Well thats special but where did they get this right anyway? Back in 1977, welfare payments were bankrupting the country and the US Congress decided to act. They created what is known as title IVD , 42USC 635, that required the states to enact child support collection proceedures on pain of losing welfare funds. Missouri responded by enacting Chapter 454 RSMo