The TYPE clause identifies the report group type and indicates when the
  Report Writer Control System (RWCS) is to process it.

  Format -

           { REPORT HEADING }                        }
           { RH             }                        }
           { PAGE HEADING }                          }
           { PH           }                          }
           { CONTROL HEADING } { control-head-name } }
           { CH              } { FINAL             } }
   TYPE IS { DETAIL }                                }
           { DE     }                                }
           { CONTROL FOOTING } { control-foot-name } }
           { CF              } { FINAL             } }
           { PAGE FOOTING }                          }
           { PF           }                          }
           { REPORT FOOTING }                        }
           { RF             }                        }