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BSI

British Standards Institution

BSI is the UK's National Standards Body, producing technical standards for a wide range of products and services. BSI also provides certification and standards-related services.

pubid-rubyv2.0.0·rt-new-lutaml-model·2026-05-04
NationalSyntax BSI identifiers use BS prefix with various type indicators. Adoptions of international standards use patterns like BS ISO, BS EN, BS EN ISO. Website
16
Doc Types
9
Components
7
Relations
0
Stages

Components 9

Structured elements that make up a BSI identifier:

Publisher
Enumeration

BSI (or BS prefix)

BSBSIPAS
e.g.BS
Adoption Source
Enumeration

Adopted standard source (ISO, EN, IEC)

ISOENIECEN ISO
Present when adopting another publisher's standard.
e.g.ISO
:adoption_source
Document Type
Enumeration

BS, PAS, PD, Flex, etc.

BSPASPDFlexHBDDEBEC +1 more
e.g.BS
Number
String

The document number

1–6 digit number, may include letters.
e.g.476
Part
Integer

Part number

Optional. After dash.
e.g.22
Year
Year

Publication year

4-digit year, preceded by colon.
e.g.2015
Amendment/Consolidated
Compound

Consolidated amendment indicator

After "+". E.g. +A1:2019 for incorporated amendment.
e.g.+A1:2019
:consolidated
Publisher Specific
String

BSI-specific publisher codes

Publisher-specific codes.
e.g.A
:publisher
Date
String

Date information

Date for draft documents.
e.g.14/30300822
:date

PubID Algebra 7

Relationships between BSI identifiers:

RelationDescriptionSyntaxExample
AmendmentModifies a standardBS [Number]:[Year]+A[N]:[Year]BS 476-22:1987+A1:2019
CorrigendumCorrects errorsBS [Number]:[Year]/Cor [N]:[Year]BS 9999:2017/Cor 1:2018
AdoptionAdoption of ISO/EN/IECBS [Source] [Number]:[Year]BS ISO 9001:2015
ConsolidatedBase + incorporated amendmentsBS [Number]:[Year]+A[N]:[Year]BS A 242-A 245:1974+A1:2017
PartMulti-part standardBS [Number]-[Part]:[Year]BS 8300-1:2018
BundleMultiple documents bundledBS [Number] + [Number]BS A 242-A 245:1974+A1:2017
SetDocument setBS [Number] SetBS 476 Set

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