Comparing national (UTF-16) data

You can compare national (UTF-16) data, that is, national literals and data items that have USAGE NATIONAL (whether of class national or class numeric), explicitly or implicitly with other kinds of data in relation conditions.

You can code conditional expressions that use national data in the following statements:

For full details about comparing national data items to other data items, see the related references.

related references  
Relation conditions (COBOL for AIX Language Reference)  
General relation conditions (COBOL for AIX Language Reference)  
National comparisons (COBOL for AIX Language Reference)  
Group comparisons (COBOL for AIX Language Reference)