interoperability regulatory sandbox
as defined in Regulation (EU) 2024/903 of the European Parliament and of the Council of…, Article 2, point (14) (Definitions)
a controlled environment set up by a Union entity or a public sector body for the development, training, testing and validation of innovative interoperability solutions, where appropriate in real world conditions, supporting the cross-border interoperability of trans-European digital public services for a limited period of time under regulatory supervision