(1) In cases of doubt, the policyholder is entitled, without the consent of the insurer, to appoint a third party as beneficiary, and to replace the thus appointed third party with the name of another.
(2) A third party beneficiary by revocable designation does not acquire the right to payment of the insurer’s benefit until the insured event occurs.
(3) A third party beneficiary by irrevocable designation acquires the right to payment of the insurer’s benefit at the time when he or she is designated as beneficiary.