12(1)This rule applies—
(a)where a Fund trustee who was a participating member when appointed becomes a deferred pensioner or a scheme pensioner,
(b)where a Fund trustee who was a deferred pensioner when appointed—
(i)becomes a participating member or a scheme pensioner, or
(ii)has his or her rights to receive scheme benefits extinguished under rule 80, and
(c)where a Fund trustee who was a scheme pensioner when appointed becomes an MSP or the holder of a pensionable office.
(2)Where this rule applies—
(a)the Fund trustee must give notice of change of circumstance to—
(i)the Presiding Officer, and
(ii)the other Fund trustees, and
(b)the Fund trustee’s tenure ends 6 months after the change of circumstance occurs (unless the Scottish Parliament resolves otherwise).