GROUP-USAGE clause
The GROUP-USAGE clause specifies the format of a group item in the computer storage.
General Format
[ GROUP-USAGE IS ] Usage-String
Usage-String
{NATIONAL         }
Syntax Rules
1. The GROUP-USAGE clause may be specified for group data items.
2. All subordinate items should be national or numeric-edited.
General Rules
1. The GROUP-USAGE IS NATIONAL clause specifies that a national data format is used to represent a data items in the storage of the computer.