(1) Notwithstanding the constitution of a company, when shareholders exercise a power to—
(a) adopt a constitution or, if it has one, alter or revoke the company's constitution:
(b) approve a major transaction:
(c) approve an amalgamation of the company under section 221:
(d) put the company into liquidation,—
the power must be exercised by special resolution.
(2) A special resolution pursuant to paragraph (a) or paragraph (b) or paragraph (c) of subsection (1) can be rescinded only by a special resolution.
(3) A special resolution pursuant to paragraph (d) of subsection (1) cannot be rescinded in any circumstances.