On July 10, the CJEU adopted a judgment in Case C-25/17 where it considered whether a religious community, such as the Jehovah's Witnesses, is a controller, jointly with its members who engage in preaching, for the processing of personal data in the context of door-to-door preaching. First, the court determined that door-to-door preaching does not fall within exceptions under EU law to the rules governing protection of personal data. Second, the court found that personal data collected in the course of door-to-door preaching is governed by EU data protection rules.

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