The European Legislation Identifier (ELI) is a system aimed at providing a unified legal referencing mechanism to make legislation available online in a standardised format, so that it can be accessed, exchanged and reused across borders. This initiative, taken jointly by EU countries and institutions, is enshrined in the Council Conclusions of 6 November 2017 on the European Legislation Identifier (2017/C 441/05). *

ELI defines a labeling framework based on a generic and customizable template to enable the definition of universal resource names that are independent of the countries and legal jurisdictions to which the texts belong, thus promoting interchange and enhancing interoperability between legal information systems at EU and national level, while maintaining the specificities of each country’s legal and legislative system.

ELI includes technical specifications on:

  • the use of a unique Uniform Resource Identifier (URI) to identify a web location for legal information;
  • a set of structured metadata used to describe EU and national legal information;
  • the use of a common language to exchange legal information in machine-readable formats for better reuse*.

ELI is funded under Action “Facilitating the exchange of legislation data in Europe“, which falls under the Interoperability Solutions for European Public Administrations ( ISA²) Programme.

The University of Luxembourg uses ELI for the identification and the access to European legislation within the structural markup of legal texts (see Sannier et al. 2017).



Main contributor(s): Amin Sleimi, Marcello Ceci, Nicolas Sannier, Mehrdad Sabetzadeh, Lionel Briand