(1) If the Board is satisfied that, at the time of a PRBF member's death the Board must determine that person to be the surviving partner of the PRBF member.(a) a person (i) was the spouse of the PRBF member who was living with the PRBF member on a genuine domestic basis; and(ii) was receiving significant financial support from the PRBF member; or(b) if there is no person referred to in paragraph (a) , a person was the spouse of the PRBF member and was living with the PRBF member on a genuine domestic basis; or(c) if there is no person referred to in paragraph (a) or (b) , a person was the spouse of the PRBF member who was not living with the PRBF member on a genuine domestic basis but was receiving significant financial support from the PRBF member (2) The Board must not determine more than one person to be the surviving partner of a PRBF member.(3) In determining whether a person is the surviving partner of a PRBF member, the Board may have regard to such matters as it considers relevant.