http://www.legislation.gov.uk/id/ukla/1994/5/schedule/enacted

SCHEDULEChurch of Scotland (Properties and Investments)

Part IIIChurch of Scotland Investors Trust

14Qualification of members

Only a member of the Church shall be eligible to be a member of the Investors Trust and if a person who is a member of the Investors Trust ceases to be a member of the Church he shall thereupon cease to be a member of the Investors Trust.