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The International Standard Identifier for Libraries and Related Organisations (ISIL), ISO 15511, assigns unique identifiers to libraries and related organisations, such as archives and museums.^[1]

The Danish Agency for Culture and Palaces is the international authority for maintaining the standard and its registry.^[2]

An ISIL is alphanumeric, with a maximum of 16 characters.^[2] Valid symbols are A-Z, 0-9, solidus (/), hyphen-minus and colon.

An ISIL consists of a prefix identifying the authority which issued the ISIL, a dash, and then an identifier issued by that authority. All two letter prefixes are reserved for the ISO 3166-1 alpha-2 country code, followed by an identifier assigned by that country's national library authority. Global-level identifiers can also be assigned, which are not associated with a particular country, e.g. 'oclc-' for the OCLC. The suffix is generally a pre-existing system of identifying libraries; thus, ISIL unifies existing systems around the world rather than instituting an entire system from scratch.

References

^ "ISO 15511:2011 - Information and documentation -- International standard identifier for libraries and related organizations (ISIL)". ISO. 22 August 2011. Archived from the original on 3 March 2016. Retrieved 14 June 2014.
^ ^a ^b "ISIL Registration Authority". Danish Agency for Culture and Palaces. Archived from the original on 15 March 2022. Retrieved 3 February 2021.

External links

"ISIL". Slots- og Kulturstyrelsen. Retrieved 12 February 2023.
"Deutsche ISIL-Agentur und Sigelstelle". Staatsbibliothek Berlin (in German). Retrieved 12 February 2023.