15. In rule 26 of the principal Rules (casual vacancies)—
(a)after paragraph (3) insert the following paragraph—
“(3A) If any of those four persons would, if appointed, need to be removed from office by virtue of paragraph 8(2) of Schedule 1 to the Order, that person shall be deemed to have given an indication of unwillingness.”; and
(b)for paragraph (5) substitute the following paragraph—
“(5) If a vacancy that cannot be filled by the procedures described in the foregoing paragraphs needs to be filled, it shall be filled by a by-election.”.