Restrictions upon performances of experiments by licensee

(1) Except as otherwise provided in section 6 of this Act, no licensee shall perform any experiment except, (a) for the purpose of the advancement by new discovery of physiological knowledge, or of any knowledge which will be useful for saving or prolonging life, or alleviating suffering, or for combating any disease whether of human beings, animals or plants; (b) for the purpose of testing any former discovery alleged to have been made for the advancement of the types of knowledge referred to in paragraph (a) of this subsection; (c) by the order in writing of any Judge of the Supreme Court in any case where such Judge is satisfied that it is essential for the purpose of justice in a criminal case to make such (2) Except as otherwise provided in subsection (3) of this section, no licensee shall perform any experiment unless, 6 (a) throughout the whole of the experiment the animal is under the influence of some anaesthetic of sufficient power to prevent the animal feeling pain; and (b) if the pain is likely to continue after the effect of the anaesthetic has ceased, or if any serious injury has been inflicted on the animal, the animal is killed before it recovers from the influence of the anaesthetic which has been ad-ministered. (3) The provisions of subsection (2) of this section, shall not apply to any licensee who is the holder of a special permit granted under section 9 of this Act in relation to any experiment specified in such special permit.