538. Provision for different amounts to be paid on shares

A company, if so authorised by its articles, may—

(a) make arrangements on the issue of shares for a difference between the shareholders in the amounts and times of payment of calls on their shares,
(b) accept from any member the whole or part of the amount remaining unpaid on any shares held by him, although no part of that amount has been called up,
(c) pay a dividend in proportion to the amount paid up on each share where a larger amount is paid up on some shares than on others.