Persons appointed under section 2 shall hold and vacate office under the terms of the instruments under which they are appointed but may resign office by notice in writing to the Minister or Ministers by whom they were appointed; and any such person who ceases to hold office shall be eligible for re-appointment.

The salaries and fees payable under subsection (2), together with such expenses of the Council and of the Scottish Committee (including subsistence allowances for and travelling expenses of their members) as may be approved by the Treasury shall be defrayed out of money provided by Parliament.