13.—(1) Where the place of a governor who has been appointed to the office of governor under article 5(1)(a) has been declared vacant under article 12, or where such a governor has died, the core membership may appoint a governor to fill the vacancy.
(2) Where the place of a governor who has been appointed to the office of governor under article 5(1)(c) has been declared vacant under article 12, or where such a governor has died–
(a)in the case of a governor appointed under article 5(1)(c)(i), the Board shall intimate the vacancy to the Academic Council who shall appoint a governor to fill the vacancy;
(b)in the case of a governor elected under article 5(1)(c)(ii) or (iii) an election shall be held to fill the vacancy in accordance with article 7 and the relevant rules made under it.
(3) Where the place of a governor who had been co-opted to the office of governor under article 6 has been declared vacant under article 12, or where such a governor has died, the Board shall co-opt a governor to fill the vacancy if that is necessary to satisfy the requirements of article 6(1), and in other cases may so co-opt a governor in accordance with article 6.