When we link the maintenance license to the effective license using the 'Update with base license', the order number and date are lost. How can this be avoided?

Document ID : KB000008665
Last Modified Date : 14/02/2018
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When we link the Maintenance License to the Effective License using the "Update with base license" (under Maintenance License), we lose the order date and order number for the original base license purchase (under Effective License). How can this be avoided? 

CA Software Asset Manager, 4.x releases

The order date follows the license.  In this scenario, the Maintenance license becomes Effective and the base license is moved to the base license pool. 

Navigate back to the 'update with base license' option to view the original base license order number and order date.