(b) the aggregate ofi. 30 % of the portion of the patronage dividend, otherwise than in the form of shares, that exceeds 33 1/ % of the operating surplus or surplus earnings, such portion being in this subparagraph b referred to as the “excess patronage dividend”, paid in respect of a fiscal period that ended in the particular year,
ii. in the case where no qualifying securities were issued in the 12-month period that precedes the particular year, 30 % of the excess patronage dividend paid in respect of a fiscal period that ended in the 12-month period that precedes the particular year, and
iii. in any other case, the amount by which 30 % of the excess patronage dividend paid in respect of a fiscal period that ended in the 24-month period that precedes the particular year exceeds the aggregate of the penalties relating to the payment of a patronage dividend incurred under this section in respect of the issue of qualifying securities in the 24-month period that precedes the particular year, up to 30 % of the excess patronage dividend paid in respect of a fiscal period that ended in the 12-month period that precedes the particular year.