Officer or servant of municipality not to be interested in contract with such municipality.

(1) Any person who has directly or indirectly, by himself or his partner, any share or interest in any contract with, by or on behalf of a municipality, or in any employment with, under, by or on behalf of a municipality, other than as a municipal officer or servant, shall be disqualified for being an officer or servant of such municipality. (2) Any municipal officer or servant who shall acquire, directly or indirectly, by himself or his partner, any share or interest in any such contract or employment as aforesaid, shall cease to be a municipal officer or servant, and his office shall become vacant. (3) Nothing in this section shall apply to any such share or interest in any contract or employment with, under, by or on behalf of a municipality, as under clauses (i), (ii) and (iv) of sub-section (3) of section 11, it is permissible for a person to have without his being thereby disqualified from becoming a councillor.