Purchase of own shares

90. (1) Powers reserved to the shareholders of a company by this Act may be exercised only—
(a) at a meeting of shareholders ; or
(b) by a resolution in lieu of a meeting in terms of section 144.
(2) Powers reserved to the shareholders of a company by the articles of the company may subject to the articles, be exercised—
(a) at a meeting of shareholders ; or
(b) by a resolution in lieu of a meeting pursuant to section 144.
91. Unless otherwise provided by this Act or in the articles of a company, a power reserved to shareholders may be exercised by an ordinary resolution.
 92. (1) Notwithstanding anything to the contrary contained in the articles of a company, when shareholders exercise a power to—
(a) alter the company’s articles ;
 (b) approve a major transaction for the purpse of paragraphs (a) or (b) of subsection (1) of section 185 of this Act;
(c) approve an amalgamation of the company under section 241 of this Act ;
(d) reduce the company’s stated capital ;
(e) resolve that the company be wound up voluntarily in terms of paragraph (b) or (c) of suchection (1) of section 319 of this Act;
(f) change the name of a company ; or
(g) change the status of a company, such powers shall be exercised by special resolution.
(2) A special resolution passed in relation to a power referred to in paragraph (a), paragraph (b) or paragraph (c) of subsection (1), may be rescinded only by another special resolution.
(3) A special resolution passed in relation to a power referred to in paragraph (d) or paragraph (e) of subsection (1), cannot be rescinded thereafter.