As the UK gears up to hold a vote on its continued membership of the EU perhaps as early as June, would-be campaign groups have been warned they must comply with the Privacy and Electronic Communications (EC Directive) Regulations 2003 in any email or mobile communications with the public. The ICO said on its blog last week that groups must register as data processors and comply with certain basic principles, including requirements to clearly identify the organisation when sending marketing messages, and to contact only those individuals who have consented to receive marketing messages from that specific organisation.