They also provided an entitlement to survivor's benefits for a surviving spouse of the opposite sex who was legally married to the beneficiary during years of active participation and remained married at the time of death.
此外还规定，在受益人是在职参与人期间与受益人合法结婚并于受益人死亡时仍保持这种婚姻状态的异性未亡配偶有权领受遗属恤金。