A person who has applied for financial supplement for the eligibility period may, at any time, lodge another application form approved by the Secretary at an office of the participating corporation, telling the corporation that the person requires for that period:
(a) a specified lesser amount of financial supplement, which must be:
(i) not less than the total amount of financial supplement already paid to the person for the period; and
(ii) not less than the minimum amount of financial supplement in respect of the person for the year that constitutes, or includes, the eligibility period; or
(b) a specified greater amount of financial supplement, which must be not more than the maximum amount of financial supplement in respect of the person for the period.