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International Classification,for Standards,Introduction 3. Purpose of the ICS 3,Description of the ICS 3,Rules for the use of the ICS 5. Updating of the ICS 11,How to use the ICS index 11. List of the ICS fields 12, Systematic table of fields groups and sub groups 15. International Classification for Standards 2015 1,International Classification for Standards 2015.
Seventh edition,ISBN 978 92 67 10652 6,International Organization for Standardization. Introduction,1 Purpose of the ICS, 1 1 The ICS International Classification for Standards is intended to serve as a structure. for catalogues of international regional and national standards and other normative doc. uments and as a basis for standing order systems for international regional and national. standards It may also be used for classifying standards and normative documents in data. bases libraries etc, 1 2 The ICS should facilitate the harmonization of information and ordering tools such as. catalogues selective lists bibliographies and databases on magnetic and optical media. thus promoting the world wide dissemination of international regional and national stand. ards and other normative documents,2 Description of the ICS. 2 1 For the purposes of this document the general term standard is applied to all inter. national regional and national normative documents such as standards technical reports. standardized profiles technical specifications technical regulations guides codes of. practice technology trends assessments etc and the drafts of such documents. 2 2 The ICS is a hierarchical classification which consists of three levels. 2 3 Level 1 covers 40 fields of activity in standardization e g road vehicle engineering. agriculture metallurgy Each field has a two digit notation e g. 43 ROAD VEHICLE ENGINEERING, 2 4 The fields are subdivided into 392 groups level 2 The notation of a group consists of.
the field notation and a three digit group number separated by a point e g. 43 040 Road vehicle systems, 2 5 144 of the 392 groups are further divided into 909 sub groups level 3 The notation of a. sub group consists of the group notation and a two digit number separated by a point e g. 43 040 20 Lighting signalling and warning devices, 2 6 A number of group and sub group titles are followed by scope notes and or reference. notes indicated by asterisks and printed in italics in the ICS A scope note as a rule lists. subjects covered by a given group sub group or defines the subject of a given group sub. group A reference note refers to a subject related to a given group sub group which is. covered by another group sub group,International Classification for Standards 2015 3. 2 7 All groups divided into sub groups contain with a few exceptions a sub group which. covers the complete subject of the respective group Such general subject sub groups have. notations terminating with 01 For example the group. 07 100 Microbiology,contains as a first sub group,07 100 01 Microbiology in general. which shall include standards covering the subject of microbiology in general e g the. ISO 21528 1 2004 Microbiology of food and animal feeding stuffs Horizontal. methods for the detection and enumeration of Enterobacteriaceae Part 1 Detection. and enumeration by MPN technique with pre enrichment. while standards covering medical microbiology microbiology of water food microbiology or. cosmetics microbiology shall be included respectively in other specific sub groups 07 100 10. 07 100 20 07 100 30 or 07 100 40, 2 8 Most of the groups divided into sub groups contain a sub group having the notation.
terminating with 99 Such sub groups include standards on subjects which do not cor. respond either to the subjects of the general sub groups or to the subjects of the specific. sub groups of the respective groups For example the subject of the standard. ISO 10945 1994 Hydraulic fluid power Gas loaded accumulators Dimensions of. does not correspond either to the subject of the sub group. 23 100 01 Fluid power systems in general,or to the specific subjects of the sub groups. 23 100 10 Pumps and motors,23 100 20 Cylinders,23 100 40 Piping and couplings. 23 100 50 Control components, 23 100 60 Filters seals and contamination of fluids. In this case it shall be included in the sub group. 23 100 99 Other fluid power system components, The above rule does not apply in the ICS if all standards related to a group can be included. either in the general sub group or in the specific sub groups. For example the group,21 100 Bearings,contains the general subject sub group.
21 100 01 Bearings in general,and specific sub groups. 21 100 10 Plain bearings,4 International Classification for Standards 2015. 21 100 20 Rolling bearings,The group does not contain a sub group. 21 100 99 Other bearings, since all bearings belong only to two types of bearings plain bearings and rolling bearings. 3 Rules for the use of the ICS, 3 1 The latest edition of the ICS with the subsequent issues of the ICS Update should be used.
for indexing standards and other normative documents and their drafts Before indexing. standards for the first time the indexer should first carefully study the present rules and. the ICS structure, 3 2 Standards should be classified according to their subjects The indexer should first. identify the appropriate field for a given subject then allocate the appropriate group notation. and further the sub group s notation if the group is subdivided For example the standard. ISO 3412 1992 Road vehicles Screened and waterproof spark plugs and their. connections Types 1A and 1B,belongs to the field,43 ROAD VEHICLE ENGINEERING. The appropriate group within the field is, 43 060 Internal combustion engines for road vehicles. and the appropriate sub group within the group is,43 060 50 Electrical equipment Control systems. If the field of application of a standard is not clear from its content indexers may take into. account the scopes of the relevant technical committee subcommittee and working group. responsible for the development of the standard, 3 3 The alphabetical index of the ICS may be used as a supplementary tool for identifying the.
appropriate field group sub group but the notations found in the index shall be carefully. verified against the systematic table The reason is that only the systematic table contains the. full information relating to a group notation such as its title the field to which it belongs the. subdivision into sub groups sometimes the scope note and the reference note s showing. its relationship with other group s or sub group s Otherwise errors in indexing may occur. 3 4 It is recommended to use all levels available for classifying a given standard For exam. ple the standards, ISO 5358 1992 Anaesthetic machines for use with humans. ISO 7864 1993 Sterile hypodermic needles for single use. ISO 7740 1985 Instruments for surgery Scalpels with detachable blades Fitting. dimensions, should be classified respectively in sub groups 11 040 10 11 040 25 and 11 040 30 level. 3 it is not recommended to allocate notation 11 040 level 2 to the above standards since. it may create difficulties in the exchange of ICS data between databases and will impede. application of the ICS in multinational information systems. International Classification for Standards 2015 5, 3 5 Standards classified according to this classification may be included in more than one. group or sub group e g the standard, ISO 7686 2005 Plastics pipes and fittings Determination of opacity. shall be included in the two sub groups,23 040 20 Plastics pipes.
23 040 45 Plastics fittings,while the standard, ISO 8159 1987 Textiles Morphology of fibres and yarns Vocabulary. shall be included in the three sub groups, 01 040 59 Textile and leather technology Vocabularies. 59 060 01 Textile fibres in general,59 080 20 Yarns. However it is recommended to avoid the allocation of more than four notations to one. 3 6 Standards included in the groups,01 040 Vocabularies. 01 060 Quantities and units,01 070 Colour coding,01 075 Character symbols.
and the sub groups, 01 080 20 Graphical symbols for use on specific equipment. 01 080 30 Graphical symbols for use on mechanical engineering and con. struction drawings diagrams plans maps and in other technical. product documentation, 01 080 40 Graphical symbols for use on electrical and electronics engineer. ing drawings diagrams charts and in relevant technical product. documentation, 01 080 50 Graphical symbols for use on information technology and telecom. munications technical drawings and in relevant technical product. documentation,17 140 20 Noise emitted by machines and equipment. 17 140 30 Noise emitted by means of transport, shall also be included in other groups and or sub groups according to their subjects e g.
the standard,6 International Classification for Standards 2015. ISO 1942 2009 Dentistry Vocabulary,shall be included in the two sub groups. 01 040 11 Health care technology Vocabularies,11 060 01 Dentistry in general. while the standard, ISO 6405 1 2004 Earth moving machinery Symbols for operator controls and other. displays Part 1 Common symbols,shall be included both in the sub group.
01 080 20 Graphical symbols for use on specific equipment. and in the group,53 100 Earth moving machinery, 3 7 A standard containing definitions which apply only for the purpose of that standard. shall not be classified into the group,01 040 Vocabularies. 3 8 Amendments addenda and technical corrigenda to a standard shall have the same. notations as the standard itself, 3 9 Standards for systems components spare parts and materials used for specific equip. ment machines and installations should be classified in the respective groups and sub. groups containing standards for the equipment machines and installations if the ICS does. not contain groups or sub groups specially designated for classifying the relevant systems. components spare parts and materials For example standard. ISO 5696 1984 Trailed agricultural vehicles Brakes and braking devices Laboratory. test method,should be included in the sub group, 65 060 10 Agricultural tractors and trailed vehicles. since the ICS does not contain a group sub group for braking systems of agricultural machin. ery while the standard, ISO 4251 1 2005 Tyres ply rating marked series and rims for agricultural tractors and.
machines Part 1 Tyre designation and dimensions and approved rim contours. should be included in the sub group,83 160 30 Tyres for agricultural machinery. 3 10 Where a group is further subdivided into sub groups only the notations of the sub. groups shall be allocated to standards e g the standard. ISO 4254 1 2013 Agricultural machinery Safety Part 1 General requirements. shall be classified under the title of the sub group. 65 060 01 Agricultural machines and equipment in general. and not under the title of the group,International Classification for Standards 2015 7. 65 060 Agricultural machines implements and equipment. 3 11 If the subject of a standard covers two or more sub groups within a group which contains. only these sub groups plus sub groups with notations terminating with 01 and or 99. i e the subject covers all of the specific sub groups that standard shall be classified under. the sub group which has the notation terminating with 01 e g the standard. ISO 4829 1 1986 Steel and cast iron Determination of total silicon content Reduced. molybdosilicate spectrophotometric method Part 1 Silicon contents between 0 05. shall be classified under the title of the sub group. 77 080 01 Ferrous metals in general,and not under the titles of the sub groups. 77 080 10 Irons,77 080 20 Steels, since irons and steels completely cover the ferrous metals subject. Similarly the standard, ISO 6632 1981 Fruits vegetables and derived products Determination of volatile.
shall be classified under the title of the sub group. 67 080 01 Fruits vegetables and derived products in general. and not under the title of the sub groups,67 080 10 Fruits and derived products. 67 080 20 Vegetables and derived products,67 080 Fruits Vegetables. contains only, 67 080 01 Fruits vegetables and derived products in general. 67 080 10 Fruits and derived products,67 080 20 Vegetables and derived products. 3 12 A sub group or a group which does not have sub groups may be further subdivided. by the user into respectively either several units level 4 or new sub groups level 3 For the. purpose of distinguishing subdivisions units or new sub groups from those given in the. classification new notations shall be created using a hyphen as a separator followed by a. two digit number e g the group,53 100 Earth moving machinery.
may be subdivided into the following new sub groups. 53 100 01 Earth moving machinery in general,8 International Classification for Standards 2015. 53 100 10 Tractors,53 100 20 Excavators,53 100 30 Loaders. 53 100 40 Graders,53 100 99 Other earth moving machinery. However such subdivisions should be used very restrictively and avoided wherever possible. The preferred solution should be to address the question to the ISO Central Secretariat which. is responsible for the maintenance and development of the ICS. 3 13 A semicolon should be used for separating notations in printed documents To provide. The above rule does not apply in the ICS if all standards related to a group can be included either in the general sub group or in the specific sub groups For example the group 21 100 Bearings contains the general subject sub group 21 100 01 Bearings in general and specific sub groups 21 100 10 Plain bearings International Classification for Standards 2015 5 21 100 20 Rolling bearings The

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