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From the Contacts tab, you can select one contact to be the primary contact of an org company, business unit, or external company. Setting the primary contact removes the primary status from any other contact in the company.
To set the primary location, your security role must have permission to update contacts. For more information, see "About Security Permissions".
To set the primary contact
The list of contacts for the company appears.
Proliance marks the selected contact as primary.