(1) A member of a scheme who is entitled to preserved benefit under the scheme in accordance with section 28(2)(a) shall not be entitled to receive a refund of any contributions paid to that scheme after 1 January 1991.
(2) A member of a scheme who is entitled to preserved benefit under the scheme in accordance with section 28(2)(b) shall not be entitled to receive a refund of any contributions paid to that scheme.
(3) A member of a scheme who would be entitled to preserved benefit under the scheme in accordance with the provisions of this Part if his service in relevant employment were to terminate shall not be entitled to receive a refund of any contributions paid to that scheme.