Regulation 3
Criteria for determining irreversible cessation of all functions of the brain
of Interpretation (Determination and Certification of Death) Regulations
Subject to regulation 3A, the criteria for determining the irreversible cessation of all functions of the brain of a person for the purposes of section 2A of the Act shall be that —
the pupils are fixed and non-reactive to strong light;
there is no corneal reflex;
there is no spontaneous motor response to painful stimulus, excluding spinal reflexes;
there is no oculocephalic reflex;
there is no gag reflex or reflex response to tracheobronchial stimulation;
there is no vestibulo-ocular response on instillation of 50 cubic centimetres of ice-cold water into each ear; and
there is no spontaneous respiration even with carbon dioxide tension at 50 millimetres or more of mercury.