7The validity of any proceedings of the Post Office shall not be affected by a vacancy amongst the members thereof or by a defect in the appointment of a member.
8The quorum of the Post Office shall be three; and, while a member is disqualified from taking part in a decision or deliberation of the Post Office with respect to a matter, he shall be disregarded for the purpose of constituting a quorum of the Post Office for deciding, or deliberating on, that matter.
9Subject to the foregoing provisions of this Schedule, the Post Office shall have power to regulate its own procedure.