74. For the purposes of this plan, a person who:(1) during a minimum 3-year period immediately prior to the death of a contributor with whom he resided and whom he was prohibited by law from marrying because the contributor or that person was already married to another person, was publicly represented by the contributor as being his spouse;
(2) during a minimum 1-year period immediately prior to the death of a contributor with whom he resided, was publicly represented by the contributor as being his spouse and, upon the contributor’s death, neither that person nor the contributor was married to another person,
is deemed to be the contributor’s surviving spouse and to have become his spouse when that person began being publicly represented as his spouse and, for the purposes of this plan, a spouse to whom this section would apply were it not for his marriage to a contributor after beginning to be thus represented as the employee’s spouse, is deemed to have become the employee’s spouse when he actually began to be thus represented.