What this relates to and the document posted in the original post is the new VSI6 that is now in play in NSW
http://www.rms.nsw.gov.au/registration/downloads/vsi/vsi6.pdfPublished on 8 November 2013.
FUEL SYSTEM (continued)
Item Modification
48 Fitting/adding an alternative fuel tank or repositioning an existing fuel tank to non-original
mounting points.
Example requiring certification:
• Fitting an alternative fuel tank or repositioning of an existing fuel tank to
non-original mounting points.
Example not requiring certification:
• Fitting a replacement fuel tank of equal capacity using the original manufacturer’s
mounting points.
The VSI 6 covers Light Vehicle Modifications
Purpose
This Vehicle Standards Information (VSI) No. 6 is intended to help vehicle owners and
modifiers determine what modifications to vehicles up to and including 4.5 tonnes gross
vehicle mass require certification.
Included in the document and worth a read by those from NSW to see what the now legal vehicle modifications are.