this is the rules in QLD for modifications as of right now
Summed up version,
http://www.tmr.qld.gov.au/~/media/Safet ... icles2.pdf Full Code of practices for light vehicle mods in QLD
http://www.tmr.qld.gov.au/~/media/Safet ... ctions.pdfany thing not covered by the codes of practice requires loops to run around as stated here in the summed up version
Modifications which are not covered by this booklet or
the Approved Persons Scheme, or modifications which
involve substantial structural changes to the body or
chassis of a vehicle, require a written submission. A fee
is payable for the evaluation of plans. Send submissions
prior to commencing any modifications or alterations to:
Policy Advice
PO Box 673
Fortitude Valley, Qld 4006.
Applicants should supply as much detail as possible.
Incomplete submissions, insufficient details or poor
drawings will delay processing of submissions. As a
guide, submissions should contain:
• a completed ‘Motor Vehicle Modification Application’
(Form No. F1854 available at Queensland Transport
Customer Service Centres) and
• drafted plans for any modifications or alterations
involving structural changes. Plans, on A3 size
drafting paper, should include dimensions, plan,
elevation, end elevation and sections (where
necessary), material description, and welding and
machining details.