Mo. Rev. Stat. § 589.539: Dispute resolution.

1. The compacting states shall report to the Interstate Commission on issues or activities of concern to them, and cooperate with and support the Interstate Commission in the discharge of its duties and responsibilities.

2. The Interstate Commission shall attempt to resolve any disputes or other issues which are subject to the Compact and which may arise among compacting states and noncompacting states.

3. The Interstate Commission shall enact a By-law or promulgate a Rule providing for both mediation and binding dispute resolution for disputes among the compacting states.