Mo. Rev. Stat. § 454.548
In addition to any fees imposed pursuant to section 454.425 and if allowed by federal law, the division may charge and collect a fee of ten dollars from support received through the payment center for each order for every year or portion of a year during which payments are received by the payment center. Such fee shall be used to reimburse the state for the costs associated with processing support payments.
(L. 1999 S.B. 291)
Effective 7-01-99