A company shall not make a market purchase of its own shares unless the purchase has first been authorised by the company in general meeting.
That authority—
The authority must—
The authority may be varied, revoked or from time to time renewed by the company in general meeting, but this is subject to subsection (3) above; and in a resolution to confer or renew authority, the date on which the authority is to expire must not be later than 18 months after that on which the resolution is passed.
A company may under this section make a purchase of its own shares after the expiry of the time limit imposed to comply with subsection (3)(c), if the contract of purchase was concluded before the authority expired and the terms of the authority permitted the company to make a contract of purchase which would or might be executed wholly or partly after its expiration.
A resolution to confer or vary authority under this section may determine either or both the maximum and minimum prices for purchase by—
Chapter 3 of Part 3 of the Companies Act 2006 (resolutions affecting a company's constitution) applies to a resolution of a company conferring, varying, revoking or renewing authority under this section.