5. Disqualifications of members.

(i) if he directly or indirectly, by himself or his partner,-
(a) has or had any shares or interest in any text-book published, or
(b) has any share or interest in any work done by order of, or in any contract entered into on behalf of the Board:
(ii) if he is a person against whom an order has been made under sub-section (1) of section 23:
(a) the publication of a text book shall include its republication;
(b) a person shall be deemed to have incurred disqualification by reason of his having any share or interest in the business of the publisher of such textbook.