21.20.6. For the purposes of section 21.20.2 and notwithstanding section 21.20.4,(a) any share that is described in section 21.6.1 during one of the periods referred to therein or that is a share of a specified class within the meaning of section 21.20.1 is deemed not to be issued and outstanding and not to be owned by any shareholder;
(b) an amount equal to the greater of the paid-up capital of the share referred to in paragraph a and the amount that any holder of the share is entitled to receive on the redemption, cancellation or acquisition of the share by the corporation is deemed to be a liability of the corporation.