Sch 1 para 7
(1) Where a casual vacancy occurs among the elected members of the Council, the vacancy shall be filled— (a) by the unsuccessful candidate at the last previous ordinary election of such members who at that election received the greatest number of votes and has not since become a member, or (b) if two or more such candidates received an equal number of votes, by the candidate who has been registered longest on the register or, if two or more such candidates have been registered longer than any other but for the same period as each other, by one of them chosen by lot, or (c) if there were no unsuccessful candidates at that election, by a person appointed by the Council. (1A) Where a casual vacancy occurs as respects the member of the Council appointed by a university, the vacancy shall be filled by that university. (1B) Where a casual vacancy occurs among the registered veterinary nurse members of the Council, the vacancy shall be filled by the appointment of a registered veterinary nurse by the Veterinary Nurses’ Council. (1C) Where a casual vacancy occurs among the members of the Council who are lay persons, the vacancy shall be filled by the appointment by the Council of a lay person, having regard to the recommendations of the committee referred to in section 1(1)(e). (2) Where a casual vacancy occurs among members of the Council appointed by the recognised universities, the vacancy shall be filled by those universities acting jointly. (3) Where a casual vacancy occurs in the office of President or Vice-President of the College, the vacancy shall be filled by an election held at the first meeting of the Council after the vacancy occurs. (4) A person filling a casual vacancy among the ... members of the Council or in the office of President or Vice-President of the College shall hold office until the date on which the person whose vacancy he fills would have regularly retired.