The IBMsubschema object class

The IBMsubschema object class is used only in the subschema entry as follows:

( 1.3.18.0.2.6.174
NAME 'ibmSubSchema'
DESC 'IBM specific object class that stores all the attributes and object classes for a given directory
 server.'
SUP 'subschema'
STRUCTURAL MAY ( IBMAttributeTypes ) )