Format 1 is used for data description entries in all data division sections.
Format 1: data description entry >>-level-number--+-------------+--+------------------+----------> +-data-name-1-+ '-redefines-clause-' '-FILLER------' >--+------------------------+--+-----------------+--------------> '-blank-when-zero-clause-' '-external-clause-' >--+---------------+--+--------------------+--------------------> '-global-clause-' '-group-usage-clause-' >--+------------------+--+---------------+----------------------> '-justified-clause-' '-occurs-clause-' >--+----------------+--+-------------+--------------------------> '-picture-clause-' '-sign-clause-' >--+---------------------+--+--------------+--------------------> '-synchronized-clause-' '-usage-clause-' >--+--------------+--+--------------------+-------------------->< '-value-clause-' '-date-format-clause-'
The clauses can be written in any order, with two exceptions:
The level-number in format 1 can be any number in the range 01–49, or 77.
A space, a comma, or a semicolon must separate clauses.