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If there is a type of occurrence that will no longer be used, we can inactivate it.
You must have permission to Manage cause types, categories and classifications.
In the occurrence module, click on the Types tab.

In the type of occurrence that will be inactivated click on the context menu and select the Inactivate option.

The cause classification will be inactivated.
To find inactive cause classifications use the filter .

Inactive occurrence types are no longer displayed in the list for selection, occurrences using this type are unchanged.