(5)
The involuntary separation or retirement of the member—
(A)
because of a nondiscretionary provision of law for age or years of service;
(B)
because of a policy prescribed by the Secretary concerned mandating such separation or retirement based solely on age or years of service for the prescribed pay grade of an enlisted member;
(D)
because of medical disqualification which is not the result of gross negligence or misconduct of the member,
shall not affect the use of entitlement by the dependent to whom the entitlement is transferred.