1. Ibid, Pt 4.
2. (DTI, 1998). This is available at: http://www.bis.gov.uk/files/file23283.pdf (accessed on 15 October 2012).
3. URN 00/656 (DTI, 2000), Ch 3. This is available at: http://www.bis.gov.uk/files/file23245.pdf (accessed on 16 October 2012).