Full_Description

   You can specify that records are to be omitted from the output
   file by using the /OMIT qualifier. First, you must define a
   condition with the /CONDITION qualifier. Specify your record
   selection with an /OMIT qualifier requesting the records
   satisfying that condition be selected for omission from your
   sort. By default, Sort/Merge includes all the other input records
   in the output file.

   You can specify multiple /OMIT and /INCLUDE qualifiers in your
   specification file. The order you specify them determines the
   order the input records are tested for omission. All the records
   that have not already been included or omitted after the last
   /OMIT qualifier are included. You can unconditionally omit any
   records not previously omitted or included by specifying the
   /OMIT qualifier only.