Subject to the following provisions of this paragraph, a person shall hold and vacate office as Director General in accordance with the terms of his appointment.

A person shall not be appointed to hold office as Director General for a term of more than five years.

At the end of a term of appointment as Director General a person shall be eligible for re-appointment.

The Secretary of State may remove a person from office as Director General on the ground of incapacity or misbehaviour.