Missouri Case Law Development: Trial Court May Modify Child Support Beyond Motion 30 Days After Judgment
Thirty days after it issues its judgment, Trial Court loses jurisdiction other than the modifications requested in timely motion and any necessary to correctly calculate child support. "In this case, when Husband petitioned the trial court to . . . re-calculate the . . . amount of support . . . , he automatically, albeit unwittingly, also asked the court to reexamine the propriety of this amount[.]"
The entire opinion can be read here