‹ 640. Release of company’s rights under contract for off-market purchase 641. Authority for market purchase › Authority For Market Purchase 641. Authority for market purchase 642. Copy of contract or memorandum to be available for inspection 643. Enforcement of right to inspect copy or memorandum 644. No assignment of company’s right to purchase own shares 645. Payments apart from purchase price to be made out of distributable profits 646. Treatment of shares purchased 647. Return to Registrar of purchase of own shares 648. Notice to Registrar of cancellation of shares ‹ 640. Release of company’s rights under contract for off-market purchase 641. Authority for market purchase ›