ETIAS Reference

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Interoperability

EU documentation describes interoperability between certain large-scale information systems. The term refers to mechanisms that allow systems to work together under rules defined by law.

Typical interoperability components described publicly

  • Shared services or technical components used across systems.
  • Rules governing access and purposes for data queries between systems.
  • Governance and oversight arrangements.

For definitive system architecture and legal constraints, consult eu-LISA documentation and EU legal texts.

Last updated: 2026-01-17