ISO/IEC 6523
ISO/IEC 6523, Information technology – Structure for the identification of organizations and organization parts, is an international standard that defines a structure for uniquely identifying organizations and parts thereof in computer data interchange and specifies the registration procedure to obtain an International Code Designator value for an identification scheme.
The standard consists of two parts:
Part 1: Identification of organization identification schemes defines a structure for the identification of organizations and parts thereof. The components of this structure are the following:
- an that uniquely identifies the authority which issued the code to the organization, up to 4 digits
- an, up to a maximum of 35 characters
- an, up to a maximum of 35 characters
- an OPI source indicator, 1 digit, specifying who attributed the OPI
- the requirements on the registration authority for ICD values.
- the specific procedures for the allocation and deletion of ICD values
- the contents of the register/list of the registered identification schemes
Further information concerning ISO/IEC 6523 and how to obtain an ICD value can be found at . The page includes contact details for the Registration Authority and a . A is part of PEPPOL documentation.
ISO/IEC 6523 forms the basis of OSI naming under OSI protocols. It also forms the object identifier tree.
ICD allows registration of various identification schemes for organizations, locations, goods, military organizations/activities, military suppliers, etc. It has been added to Schema.org as the property .
A widespread standard compliant with ISO 6523 norm is the identifier called "Global Location Number", developed by GS1 company members. In B2B exchanges, it is widely used by companies to identify locations or functions within a location. It has become a key to exchange business messages using UN/EDIFACT specifications.
The was issued by the Organization for the Advancement of Structured Information Standards. It was elaborated by the OASIS ebXML Core Technical Committee and it specifies a Uniform Resource Name namespace for organization identifiers. It bases upon ISO/IEC 6523, ISO 9735 and ISO 20022.