(3) No company, association or partnership consisting of more than 20 persons shall be formed for the purpose of carrying on any business that has for its object the acquisition of gain by the company, association or partnership, or by the individual members thereof, unless it is registered as a company under this Act, or is formed in pursuance of some other written law in Singapore or letters patent.
(4) So much of subsection (3) as prohibits the formation of an association or a partnership consisting of more than 20 persons shall not apply to an association or a partnership formed solely or mainly for the purpose of carrying on any profession or calling which under the provisions of any written law may be exercised only by persons who possess the qualifications laid down in such written law for the purpose of carrying on that profession or calling.