ISO
International Organization for Standardization
ISO is an independent, non-governmental international organization that develops standards to ensure the quality, safety, and efficiency of products, services, and systems. ISO has published over 25,000 international standards covering almost all aspects of technology and manufacturing. Undated references (":--" and the em-dash variant ":—") are accepted.
Document Types 18
Guide
Amendment
Corrigendum
Supplement
Addendum
Directives
Directives Supplement
Extract
Data Document
Components 11
Structured elements that make up a ISO identifier:
Publisher
EnumerationThe issuing organization (ISO, or joint like ISO/IEC)
ISOCopublisher
EnumerationAdditional organizations in joint publications (IEC, ASTM, CEN, etc.)
IECDocument Type
EnumerationThe type of deliverable (IS, TR, TS, PAS, Guide, etc.)
TRNumber
IntegerThe unique document number
9001Part
IntegerPart number for multi-part standards
1Year
YearPublication year
2015Edition
IntegerEdition number (e.g., Ed 5)
5Language
EnumerationLanguage code (en, fr, ru, etc.)
enStage
EnumerationDevelopment stage (WD, CD, DIS, FDIS)
DISTyped Stage
EnumerationStage combined with document type (e.g., DTR for Draft Technical Report)
DTRSupplement
CompoundAmendment or corrigendum reference
Amd 1:2024PubID Algebra 9
Relationships between ISO identifiers:
| Relation | Description | Syntax | Example |
|---|---|---|---|
| Amendment | Modifies a base standard by adding, changing, or deleting elements | ISO [Number]:[Year]/Amd [N]:[Year] | ISO 9001:2015/Amd 1:2024 |
| Corrigendum | Corrects technical or editorial errors | ISO [Number]:[Year]/Cor [N]:[Year] | ISO 9001:2015/Cor 1:2016 |
| Addendum | Legacy supplement type adding new material | ISO [Number]:[Year]/Add [N]:[Year] | ISO 2789:2006/Add 1:2008 |
| Part | Multi-part standard relationship | ISO [Number]-[Part]:[Year] | ISO/IEC 17031-1:2020 |
| Series | All-parts reference to a multi-part series | ISO [Number] (all parts) | ISO 9001 (all parts) |
| Bundle | Multiple documents bundled together | [PubID] + [PubID] | BS ISO 26000 + IWA 26 |
| Draft | Draft stage of a document | ISO/[Stage] [Type] [Number] | ISO/DIS 45001 |
| Internal Document | Working documents with N-numbers | ISO/TC [N] [DocNumber] | ISO/TC 176 N 1000 |
| Clause Reference | Reference to specific clause within a document | ISO [Number]:[Year], Clause [N] | ISO 9001:2015, Clause 4.1 |
Development Stages 15
Lifecycle stages for ISO documents:
| Code | Abbr | Name |
|---|---|---|
| 00.00 | PWI | Preliminary Work Item |
| 10.00 | NP | New Proposal |
| 10.99 | AWI | Approved Work Item |
| 20.00 | WD | Working Draft |
| 30.00 | CD | Committee Draft |
| 40.00 | DIS | Draft International Standard |
| 50.00 | FDIS | Final Draft International Standard |
| 60.00 | PRF | Proof of a standard (pre-publication) |
| 60.60 | IS | International Standard (published) |
| 90.20 | RVD | Review Discontinued |
| 90.60 | WTH | Withdrawn |
| 90.92 | WDT | Withdrawal Decided |
| 90.93 | RVD | Review Verified |
| 95.20 | FPN | Final Proposal for Withdrawal |
| 95.99 | WTH | Withdrawal of International Standard |