The types of harm which should trigger the duty of candour procedure are set out in s21(4) of the act as: (a) the death of the person, (b) a permanent lessening of bodily, sensory, motor, physiologic or intellectual functions (including removal of the wrong limb or organ or brain damage) (“severe harm”), (c) harm which is not severe harm but which results in— (i) an increase in the person's treatment, (ii) changes to the structure of the person's body, (iii) the shortening of the life expectancy of the person, (iv) an impairment of the sensory, motor or intellectual functions of the person which has lasted, or is likely to last, for a continuous period of at least 28 days, (v...