231.TheTreatycontains provisions onthepromotion ofinternational scientific co-operation inAntarctica. Italsofacilitates scientific research andprovides fortherightsofinspection inAntarctica (arts.VIIandIX). I...A/40/535 English Page64 2.Treaty Banning Nuclear weaponTestsintheAtmosphere, inOuter spaceandunderwater(Partial TestBanTreaty) (1963)l2/ 232.BythePartial TestBanTreatytheparties areobliged toprohibit, to prevent, andnottocarryoutanynuclear explosion atanyplaceundertheir jurisdiction orcontrol whetherittakesplaceintheatmosphere; beyondits limits, including outerspace; orunderwater, including territorial waters orhigh seas;orinanyotherenvironment ifsuchexplosion causesradioactive debristobe present outside theterritorial limitsoftheStateunderwhosejurisdiction or control suchexplosion isconducted (art.I). 3.Treaty ontheProhibition oftheEmplacement ofNuclear Weapons andOtherweapons ofMassDestruction onthe Sea-Bed andtheOceanFloorandintheSubsoil Thereof (Sea-Bed Treaty) (1971)25/ 233.TheSea-Bed Treaty wasconcluded duringthedeliberations oftheCommittee on thePeaceful UsesoftheSea-Bed andtheOceanFloorbeyondtheLimitsofNational Jurisdiction -theprecursor, asitwere,oftheThirdUnitedNations Conference on theLawoftheSea.Atacertain stagethedebates ontheissueofthepeaceful usesoftheoceansintheSea-Bed Committee ranparallel withthoseconducted in theConference oftheCommittee onDisarmament. Itcanbesaidthattheadoption oftheSea-Bed Treatytoacertain extentstilled thedebate onthisissueinthe context oftheConference transactions, although·there wasabriefdebateinthat Conference onthisissuein1976. 234.TheSea-Bed Treatyforbids theemplanting ortheemplacement onthesea-bed andtheoceanfloorandinthesubsoil thereof beyond a12-mile sea-bed zoneof "anynuclear weapons oranyothertypeofweapons ofmassdestruction aswellas structures, launching installations oranyotherfacilities specifically designed forstoring, testing orusingsuchweapons" (art.1 ,para.1). 235.Article 11defines themeaning oftheexpression "beyond theouterlimitofa sea-bed zone". Itstates "forthepurpose ofthisTreaty, theouterlimitofthe sea-bed zoneshallbecoterminous witbthe12-mile outerlimitoftbezonereferred inpart11oftheConvention ontheTerritorial SeaandtheContiguous Zone,signed atGeneva on29April1958,andshallbemeasured inaccordance withtheprovisions ofpartI,section 11,ofthatConvention andinaccordance withinternational law·. 236.Statesparties havetherighttoverifythrough Observation theactivities of otherStatesparties onthesea-bed andtheoceanfloorandinthesubsoil thereof beyondthe12-mile limitzoneprovided tbatobservation doesnotinterfere with suchactivities (art.Ill,para.1).Verification activities pursuant tothe Treaty mustnotinterfere Withactivities ofotherStatesparties and"shall be conducted withtheregard forrights recognized underinternational law,including thefreedoms ofthehighseasandtherightsofcoastal Stateswithrespect tothe exploration andexploitation oftheircontinental shelves" (art.Ill,para.6). /...A/40/535 English Page65 237.Byarticle VoftheTreaty, thestatesparties undertook "tocontinue negotiations ingoodfaithconcerning further measures inthefieldofdisarmament fortheprevention ofanarmsraceonthesea-bed, theoceanfloorandthesubsoil thereof". AtbothsUbsequent ReviewConferences oftheTreaty, heldin1977 and1983,article Vhasbeenreaffirmed. Notingthatnegotiations onsuchmeasures hadnotyettakenplace,theReviewConference requested theConference on Disarmament toproceed promptly withconsideration offurther disarmament measures inconsultation withthestatesparties totheTreaty, andtakingintoaccount existing proposals andanyrelevant technological developments. AthirdReview Conference isexpected totakeplacebetween 1988and1990. 4.Treatyfortheprohibition ofNuclear weapons inLatinAmerica (Treaty of·Tlatelolco) (1967)~ 238.Theobjective oftheTreatyofTlatelolco istbemilitary denuclearization of LatinAmerica, thisbeingunderstood tomeanthecreation ofanuclear-weapon-free zonesothattheregionwillbe,inthewordsofthepreamble, "forever freefrom nuclear weapons". Inarticle 1,paragraph I,theTreatystates: "l.TheContracting Parties hereby undertake touseexclusively for peaceful purposes thenuclear material andfacilities whichareundertheir jurisdiction, andtoprohibit andprevent intheirrespective territories:
**Analysis**
The text primarily discusses international treaties and agreements related to disarmament, non-proliferation, and the peaceful use of the sea bed, ocean floor, and subsoil. These treaties aim to regulate the use of nuclear weapons, prevent the emplacement of weapons of mass destruction on the sea bed, and promote international scientific cooperation. The text also touches on the verification of activities and the rights of states parties. Given the focus on disarmament, non-proliferation, and international cooperation, it is likely that the category is related to international relations and security.

**Category**
Science and technology, International relations