Paragraph 2
(1)
A person appointed to act as chairman of a local tribunal shall hold and vacate office in accordance with the terms of his letter of appointment.
(2)
Where several persons are appointed to act as chairmen for a particular area they shall as far as practicable be invited to preside over a tribunal in turn :
Provided that this sub-paragraph shall not apply to a person expressly appointed to serve as a substitute when some other person may be unwilling or unable to act.