A/RES/51/210 Page 4 6. Urges all States that have not yet done so to consider, as a matter of priority, becoming parties to the Convention on Offences and Certain Other Acts Committed on Board Aircraft,6 signed at Tokyo on 14 September 1963, the Convention for the Suppression of Unlawful Seizure of Aircraft,7 signed at The Hague on 16 December 1970, the Convention for the Suppression of Unlawful Acts against the Safety of Civil Aviation,8 concluded at Montreal on 23 September 1971, the Convention on the Prevention and Punishment of Crimes against Internationally Protected Persons, including Diplomatic Agents,9 adopted in New York on 14 December 1973, the International Convention against the Taking of Hostages,10 adopted in New York on 17 December 1979, the Convention on the Physical Protection of Nuclear Material,11 signed at Vienna on 3 March 1980, the Protocol for the Suppression of Unlawful Acts of Violence at Airports Serving International Civil Aviation, supplementary to the Convention for the Suppression of Unlawful Acts against the Safety of Civil Aviation,12 signed at Montreal on 24 February 1988, the Convention for the Suppression of Unlawful Acts against the Safety of Maritime Navigation,13 done at Rome on 10 March 1988, the Protocol for the Suppression of Unlawful Acts against the Safety of Fixed Platforms located on the Continental Shelf,14 done at Rome on 10 March 1988, and the Convention on the Marking of Plastic Explosives for the Purpose of Detection,15 done at Montreal on 1 March 1991, and calls upon all States to enact, as appropriate, domestic legislation necessary to implement the provisions of those Conventions and Protocols, to ensure that the jurisdiction of their courts enables them to bring to trial the perpetrators of terrorist acts and to provide support and assistance to other Governments for those purposes; II 7. Reaffirms the Declaration on Measures to Eliminate International Terrorism contained in the annex to resolution 49/60; 8. Approves the Declaration to Supplement the 1994 Declaration on Measures to Eliminate International Terrorism, the text of which is annexed to the present resolution; III 6 United Nations, Treaty Series, vol. 704, No. 10106. 7 Ibid., vol. 860, No. 12325. 8 Ibid., vol. 974, No. 14118. 9 Ibid., vol. 1035, No. 15410. 10 Resolution 34/146, annex. 11 United Nations Treaty Series, vol. 1456, No. 24631. 12 International Civil Aviation Organization, document DOC 9518. 13 International Maritime Organization, document SUA/CONF/15/Rev.1. 14 Ibid., document SUA/CONF/16/Rev.2. 15 S/22393, annex I; see Official Records of the Security Council, Fortysixth year, Supplement for January, February and March 1991. /...