| LDAP Name | preferredNameLanguage |
| Definition | Language of preferred name of an organisation - not related to personal names. |
| Attribute Usage | More than half of organisations have a value for this attribute. |
| Scope Usage | Optional and can only contain one value. Usually English. |
| Display Name | Preferred Name Language |
| Example Value | English |
| Member of Objects |
psdorganisation - optional |