Defaulting across plan types based on Medical Plan Elections

Summary:

Defaulting across plan types based on Medical plan elections.

Client requirement is to default Dental and Vision plan type elections with same tier when employee picks medical plan and option during enrollment process. These are bundled offerings but fed to three different carriers hence we can't combine the plans and needs to be configured as different plan types. Client is not comfortable forcing errors through post-election rules and defaulting to Dental and Vision plan types is must requirement based on medical plan elections. Please let me know how we can achieve it 

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