Section 57 - Reserve liability

(1) A company limited by shares may, by special resolution, determine that a portion of the unpaid liability on its shares which has not already been called up shall not be capable of being called up except in the event, and for the purpose, of the company being wound up.

(2) Where a resolution is passed, that portion shall not be capable of being called up except in the event and for the purpose stated in that subsection.