The ZEK contains specific cookies provisions, implementing the Privacy and Electronic Communications Directive.

The use of cookies is only allowed if the subscriber or user has given his explicit consent, having been provided with clear and comprehensive information in accordance with general data protection laws. An exception is provided where such use of cookies is necessary for communication transmission by means of an electronic communication network or if it is necessary for the provision of an information society service requested by the subscriber or the user.

There is no regulatory guidance on the use of cookies.