Court of Justice 22 June 2004, C-189/03 (Commission of the European Communities v Kingdom of the Netherlands.)

Opinion of the Advocate-General Opinion of the Advocate-General I – Introduction 1. The present case concerns an action for failure to fulfil Treaty obligations in which the Commission alleges that the Kingdom of the Netherlands has legislation and administrative provisions concerning private security firms and detective agencies which infringe the principle of the freedom to provide services and