Conscientious objection to participation in treatment

(1) Subject to subsection (2) of this section, no person shall be under any duty, whether by contract or by any statutory or other legal requirements, to participate in any treatment authorised by section 112 to which he has a conscientious Provided that in any legal proceedings the burden of proof of conscientious objection shall rest upon the person claiming to rely on it. (2) Nothing in sub-section (1) shall affect any duty to participate in treatment which is necessary to save the life or to prevent grave permanent injury to the physical or mental health of a pregnant woman.