(2)Any notice or other document which is by this Act required to be sent to any policy-holder may be addressed and sent to the person to whom notices respecting such policy are usually sent and any notice so addressed and sent shall be deemed to be notice to the holder of such policy:Provided, that, where any person claiming to be interested in a policy as transferee, assignee or nominee has given to an insurer notice in writing of his interest, any notice which is by this Act required to be sent to policy-holders shall also be sent to such person at the address specified by him in his notice.