Can someone point me to the listing that explains the IRP Action Codes? I can't find action explanations, anywhere.  

                                           BO=Buy to Order,

                                           CR=Cannot Reschedule,

                                           IQ=Increase Quantity,

                                           MA=Make,

                                           MO=Make to Order,

                                           MV=Move Out,

                                           OR=Order,

                                           PI=Pull In,

                                           PO=Push Out,

                                           QI=Quantity was Increased,

                                           QR=Quantity was Reduced,

                                           RQ=Reduce Quantity,

                                           UN=Unneeded