(1) Every member shall furnish evidence satisfactory to the Trust of:
(a) the date of birth of the member;
(b) the marital status of the member;
(c) if the member is or becomes married -- the marriage of the member and the date of birth of the spouse of the member; and
(d) any change occurring in the marital status of the member.
(2) Before authorizing payment of benefit under the Act to the widow or widower of a person, the Trust may, where it has not been provided during the lifetime of the person with evidence sufficient to establish the date of birth of the widow or widower and the marriage of the widow or widower to the person, require the widow or widower to furnish the Trust with that evidence.