5. On receipt by the appropriate administering authority of a notification given by a person under paragraph 4 that authority shall—
(a)forthwith arrange for the person to be examined by a registered medical practitioner nominated by them and for a report to be given to them by the practitioner stating whether, in his opinion, the person is in good health, regard being had to his age; and if the opinion stated in such report is that the person is not in good health, the appropriate administering authority shall notify him accordingly and offer him an opportunity of a further examination by some other registered medical practitioner nominated by them with a view to that practitioner reporting to them on the state of the person's health;
(b)require the person to furnish at his own expense—
(i)a certificate of his birth, except where the date of birth has been duly recorded by the authority and is not disputed;
(ii)in respect of a beneficiary who is the person's spouse a birth certificate and a marriage certificate;
(iii)in respect of a beneficiary who is a dependant a birth certificate and such evidence as may be appropriate to prove dependency,
and any other information or evidence which the authority consider necessary:
Provided that if for any reason a birth or marriage certificate cannot be supplied the authority may accept such other evidence of birth or marriage as they think fit in order to determine the age or the question of marriage of the person concerned, as the case may be.