(1)The holder of a policy of life insuranceon hi s own life may, when effecting the policy or at any time before the policy matures for payment, nominate the person or persons to whom the money secured by the policy shall be paid in the event of hi s death:Provided that, where any nominee is a minor, it shall be lawful for the policy-holder to appoint in the prescribed manner any person to receive the money secured by the policy in the event of hi s death during the minority of the nominee.