0031-0330 irl.qxd 80 2.3.2009 14:19 Page 80 SECOND GENEVA CONVENTION OF 1949 prefers, and in accordance with the provisions of its own legislation, hand such persons over for trial to another High Contracting Party concerned, provided such High Contracting Party has made out a prima facie case. Each High Contracting Party shall take measures necessary for the suppression of all acts contrary to the provisions of the present Convention other than the grave breaches defined in the following Article. In all circumstances, the accused persons shall benefit by safeguards of proper trial and defence, which shall not be less favourable than those provided by Article 105 and those following of the Geneva Convention relative to the Treatment of Prisoners of War of August 12, 1949. II. Grave breaches ART. 51. — Grave breaches to which the preceding Article relates shall be those involving any of the following acts, if committed against persons or property protected by the Convention: wilful killing, torture or inhuman treatment, including biological experiments, wilfully causing great suffering or serious injury to body or health, and extensive destruction and appropriation of property, not justified by military necessity and carried out unlawfully and wantonly. III. Responsibilities of the Contracting Parties ART. 52. — No High Contracting Party shall be allowed to absolve itself or any other High Contracting Party of any liability incurred by itself or by another High Contracting Party in respect of breaches referred to in the preceding Article. Enquiry procedure ART. 53. — At the request of a Party to the conflict, an enquiry shall be instituted, in a manner to be decided between the interested Parties, concerning any alleged violation of the Convention. If agreement has not been reached concerning the procedure for the enquiry, the Parties should agree on the choice of an umpire, who will decide upon the procedure to be followed. Once the violation has been established, the Parties to the conflict shall put an end to it and shall repress it with the least possible delay. Final Provisions Languages ART. 54. — The present Convention is established in English and in French. Both texts are equally authentic. The Swiss Federal Council shall arrange for official translations of the Convention to be made in the Russian and Spanish languages.