With an association, duplicate information is found when a source locator of the association has the same value as another source locator on the same association, or when a role in the association has exactly the same role player and role type as another role on the same association.

Duplicate source locators are managed by remvoving the duplicate.

Duplicate association roles are managed by moving all source locators from the duplicate association role to the role that it duplicates and then removing the duplicate association role.