How to put dependent restriction for a option in a plan

Summary:

Hi,

We have a plan 'Extended Dental' which has options such as EE , EE+1, EE+2. When employee does not have dependents/valid dependents then it should allow them to select EE+1 or EE+2 options.

I tried to setup the 'Allowable Dependent or Beneficiary Designees' with min 1 and max 1 but it does not restrict them.

Does anyone have any inputs on this?

Thanks,

Carine.

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