‹ PART 21 Information About Interests In A Company's Shares 724. Shares To Which This Part Applies › 723. Companies To Which This Part Applies (1) This Part applies only to public companies. (2) The Board may make rules providing for this Part to extend to such companies as it may specify. ‹ PART 21 Information About Interests In A Company's Shares 724. Shares To Which This Part Applies ›