Mo. Rev. Stat. ch. 507 – Parties | Midpage507.010Prosecution in name of real party in interest507.020Action on claim under foreign law507.030Persons having a joint interest shall be made plaintiffs — defendants, when507.040Permissive joinder of parties — separate trials507.050Misjoinder of parties507.060Persons having claims against plaintiff or plaintiff's insured may be joined as defendants and required to interplead, when — limitation on liability, when — dismissal not required, when507.070Class actions — representatives — secondary actions by stockholders — dismissal or compromise507.080Third-party notice — when defendant may bring in third party — notice to plaintiff — third party to file petition, when507.090Intervention — when as of right and when permissive — procedure507.100Substitution of parties upon death, mental incapacity or transfer of interest507.110Suits by infants, how prosecuted507.115Infant defined for civil suit purposes507.120Appointment of next friend, by whom507.130How appointed507.140Appointment when minor is under fourteen years old507.150Bond of person acting for infant, when — effect of failure to give507.160Bond filed, where507.170Petition and appointment filed before further proceedings507.180Guardian, conservator and next friend liable for costs507.182Next friend, conservator, or guardian may employ attorney and incur expenses507.184Powers of next friend, GAL, conservator or guardian on trial and settlement — court approval — settlement of claims permitted507.186Substitution of conservator for next friend or guardian ad litem — effect of contracts507.188Disposition of proceeds of claim — discharge of next friend or guardian ad litem507.190Suits against infants not to proceed without guardian ad litem507.200Appointment of guardian ad litem507.210Appointment of guardian ad litem, when507.220Guardian ad litem, liable only for costs in case of misconduct507.230Who made defendants in suit against city