Mo. Rev. Stat. § 452.1222
Current with changes from the 2024 Legislative Session
An agreement or power of attorney under sections 452.1214 to 452.1222 must be filed within a reasonable time with any court that has entered an order on custodial responsibility or child support that is in effect concerning the child who is the subject of the agreement or power. The case number and heading of the pending case concerning custodial responsibility or child support must be provided to the court with the agreement or power.
§ 452.1222, RSMo