Regulation of Investigatory Powers is an ideal dedicated portable reference guide for practitioners. This guide contains full text, annotated copies of the Regulation of Investigatory Powers (Scotland) Act 2000 and the Regulation of Investigatory Powers Act 2000 offering guidance on the interpretation, implications and application of the legislation in practice, with particular reference to decided cases. Practitioners will need to know the regulations, codes of practice and complaints procedures in order to act effectively on behalf of their clients. This guide deals with a range of complex issues including: surveillance, acquisition of communications data and investigation of electronic data.