The Board shall consist of not less than 9 and not more than 15 members (referred to in this part of this Schedule as “trustees”).

The trustees shall be appointed by the Secretary of State, who shall appoint one of them to be chairman.

In appointing any trustee the Secretary of State shall have regard to the desirability of the person’s having knowledge or experience of agricultural, archaeological, architectural, artistic, cultural, environmental, historical, industrial, military, scientific or social matters, or of management, industrial relations, or administration or of any other subject knowledge or experience of which would be of use to the Board in exercising their functions.

The Secretary of State shall include amongst the trustees at least one Fellow of the Society of Antiquaries of Scotland.

Subject to the following provisions of this paragraph, a trustee or chairman shall hold office in accordance with the terms of his appointment, but no trustee shall be appointed for a period of more than 4 years.

A chairman or trustee may resign his office by notice in writing to the Secretary of State.

If a chairman ceases to be a trustee he shall also cease to be chairman.

A person who ceases to be a trustee, or ceases to be chairman, shall be eligible for re-appointment.