POMS Routing Overview POMS comes with RCO's that provide the basis for routing order items through the validation and categorization process. These RCO's are: 1 $OMV_ORDER 2 $OMX_ORNEW 3 $OMX_ORUPDT 4 $OMX_UPDCOM 5 $OMX_MASTER 6 $OMX_PLANT 7 $OMX_RETURN