Clause 18: Appointing a proxy
18. The instrument appointing a proxy shall be in writing under the hand of the appointor or of his attorney duly authorised in writing or, if the appointor is a corporation, either under seal or under the hand of an officer or attorney duly authorised. The instrument appointing a proxy shall be deemed to confer authority to demand or join in demanding a poll. A member shall be entitled to instruct his proxy to vote in favour of or against any proposed resolutions. Unless otherwise instructed the proxy may vote as he thinks fit.