| LDAP Name | disestablishmentDate |
| Definition | The date at which the organisation ceased to be a legal entity in its own right. |
| Attribute Usage | Organisations rarely have a value for this attribute. |
| Scope Usage | The standard format for this attribute is "DD/MM/YYYY". Disestablished organisations are only stored in the directory for a limited time. |
| Display Name | Disestablishment Date |
| Example Value | 01/01/2001 |
| Member of Objects |
psdorganisation - optional |