is the current sva manual the March 2004 copy or have there been any revisions since then?

Updates are here:

http://www.vosa.gov.uk/vosacorp/publications/svainformationbulletins/svainformationbulletins.htm

The anti-theft is of interest as it now states that a immobiliser needs to have a certificate with of the details of manufacture and installer details?

does that mean that people cant use a kill switch as an immobiliser anymore??

Still only need two items therefore ignition key and steering lock still make the grade?...