ISO/IECDirectives,Part2DirectivesISO/CEI,Partie2RulesforthestructureanddraftingofInternationalStandardsRèglesdestructureetderédactiondesNormesinternationalesFifthedition,2004©ISO/IEC2ISO/IECDirectives,Part2,2004InternationalOrganizationforStandardization1,ruedeVarembéCasepostale56CH-1211Geneva20Telephone:+41227490111Telefax:+41227333430E-mail:central@iso.orgWeb:éCasepostale131CH-1211Geneva20Telephone:+41229190211Telefax:+41229190300E-mail:inmail@iec.chWeb:©ISO/IEC2004Allrightsreserved.Itispermittedtodownloadthiselectronicfile,tomakeacopyandtoprintoutthecontentforthepurposeofpreparingISOandIECdocumentsonly.Youmaynotcopyor“mirror”thefile,oranypartofit,foranyotherpurposewithoutpermissioninwritingfromthepublishers.Corrected2004-12-21©ISO/IECISO/IECDirectives,Part2,20043CONTENTSForeword................................................................................................................................5Introduction.............................................................................................................................61Scope...............................................................................................................................72Normativereferences.......................................................................................................73Termsanddefinitions.......................................................................................................84Generalprinciples..........................................................................................................104.1Objective...............................................................................................................104.2Performanceapproach..........................................................................................104.3Homogeneity.........................................................................................................104.4Consistencyofdocuments.....................................................................................114.5Equivalenceofofficiallanguageversions..............................................................114.6Fitnessforimplementationasaregionalornationalstandard...............................124.7Planning................................................................................................................125Structure........................................................................................................................125.1Subdivisionofthesubjectmatter...........................................................................125.2Descriptionandnumberingofdivisionsandsubdivisions.......................................156Drafting..........................................................................................................................176.1Preliminaryinformativeelements...........................................................................176.2Generalnormativeelements..................................................................................196.3Technicalnormativeelements...............................................................................206.4Supplementaryinformativeelements.....................................................................256.5Otherinformativeelements....................................................................................256.6Commonrulesandelements.................................................................................266.7Aspectsofconformityassessment.........................................................................406.8Aspectsofqualitymanagementsystems,reliabilityandsampling..........................407Preparationandpresentationofdocuments....................................................................41AnnexA(informative)Principlesfordrafting.........................................................................42A.1Generalprinciples.................................................................................................42A.2Theaim-orientedapproach....................................................................................42A.3Theperformanceapproach....................................................................................43A.4Theprincipleofverifiability....................................................................................44A.5Choiceofvalues....................................................................................................44A.6Accommodationofmorethanoneproductsize......................................................45A.7Avoidanceofrepetition..........................................................................................45AnnexB(informative)Basicreferenceworks........................................................................46B.1Introduction..................................................................................................