Format 2 regroups previously defined items.
Data Description Entry - General Format 2 >>-66--data-name-1--RENAMES--data-name-2------------------------> >--+--------------------------+--.----------------------------->< '-+-THROUGH-+--data-name-3-' '-THRU----'
A level-66 entry cannot rename another level-66 entry, nor can it rename a level-01, level-77, or level-88 entry.
All level-66 entries associated with one record must immediately follow the last data description entry in that record.
Details are contained in RENAMES Clause.