Mo. Rev. Stat. § 454.478: Summary of expenses required, when.

In cases where an administrative order is entered pursuant to the provisions of section 454.470 or section 454.476, the director of the family support division may, upon petition of the party obligated to pay support and upon good cause shown, order the recipient to furnish the party obligated to pay support with a regular summary of expenses paid by such parent on behalf of the child. The director shall prescribe the form and substance of the summary.