Paragraph 5
(1)
Subject to sub-paragraph (2) in the event of a casual vacancy occurring in the office of the Chairman the vacancy shall be filled by the Deputy Chairman until a new Chairman is appointed by the Department.
(2)
If there is no Deputy Chairman, the Commissioners shall elect one of their number, other than a person referred to in paragraph 2(2), to fill any such vacancy as is mentioned in sub-paragraph (1) and the Commissioner so elected shall hold office as Chairman until a new Chairman is appointed by the Department.