[This is preliminary documentation and subject to change.]
| Common-Name=Sub-Class-Of | Admin-Display-Name=Sub-Class-Of |
| Admin-Description=Sub-Class-Of | Object-Class=Attribute-Schema |
| Attribute-ID=1.2.840.113556.1.2.21 | OM-Syntax=6 |
| Attribute-Syntax=String(Object-Identifier) | LDAP-Display-Name=subClassOf |
| Multi-valued | System-Only=TRUE |
| Schema-ID-GUID={bf967a3b-0de6-11d0-a285-00aa003049e2} | Comment=Superclass(es) of the current Schema Class |