Save as otherwise expressly provided in this Act,—

(a) the provisions of this Act shall have effect notwithstanding anything to the contrary contained in any other law for the time being in force or in the memorandum or articles of association or bye-laws or in any agreement or resolution whether the same be registered, executed or passed, as the case may be, before or after the commencement of this Act; and

(b) any provision contained in the memorandum, articles, bye-laws, agreement or resolution aforesaid, shall, to the extent to which it is repugnant to the provisions of this Act, become null or be void, as the case may be.