(1) An insured person may at any time apply to the Director in the prescribed form for registration of his or her survivor under this Act.
(2) Although a valid marriage subsists in respect of an insured person, registration under this section of a person shall exclude all other persons as his or her survivor.
(3) The registration of a person as a survivor under this section may be revoked or altered upon application by an insured person in the prescribed form.
(4) A survivor registered under this section shall in every case be the spouse or the person living with the insured person in the prescribed form.
(5) Where no registration of a person as a survivor is made, the Director—
(a) may treat a single man who lived with a single woman as if they were married in law and reference to a husband or wife shall be applied respectively to them;
(b) shall treat the wife or husband as the case may be of an insured person as his or her survivor.
(6) For the purpose of subsection (5), a single man or woman includes a married man or woman living respectively apart from his wife or her husband.
(7) Where an insured person has remarried, the survivor shall be taken to be such later spouse although no application has been made for revocation of the registration of an earlier spouse as survivor.
(8) The Minister may make regulations to provide for treating any children or relative of an insured person as his or her survivor.