Medical Termination of Pregnancy Act 1995
11. (1) Subject to subsection (4), no person shall be under any duty to participate in any treatment of a patient for the termination of a pregnancy to which he has a conscientious objection.
(2) In any legal proceedings the burden of proof of conscientious objection shall lie on the person claiming such objection.
(3) The burden of proof referred to in subsection (2) may be discharged by any person by a statement on oath or affirmation to the effect that he has a conscientious objection to participate in any treatment authorised by this Act.
(4) Nothing in subsection (1) shall affect the duty of a person to participate in any treatment for the termination of a pregnancy that is immediately necessary to save the life of a pregnant woman or to prevent grave permanent injury to her physical or mental health.