The Society shall consist of Members, Honourary Members and associate Members.

Members shall be of Scottish nationality by birth or have a parent of grandparent born in Scotland.

A member who has given notable service to the Society may be admitted an Honorary member in recognition of this service.

Any person who does not qualify as a Member may be admitted an Associate Member of the Society subject to the approval of the committee.

The offices are a President, a Senior Vice President, a Junior Vice President, Chaplain, Honorary Secretary and Honorary Treasurer . In previous years, there was also an Honourary Physician but this office is not now appointed.