Judicial review
4 This Court has jurisdiction to grant any relief or remedy in the nature of a writ of certiorari which includes jurisdiction to quash the ultimate determination of a court or tribunal in any proceedings if that determination has been made on the basis of an error of law that appears on the face of the record of the proceedings. The face of the record includes the reasons expressed by the court or tribunal for its ultimate determination.
5 The scope for intervention by way of relief in the nature of certiorari with regard to administrative tribunals is taken from Craig v South Australia (1995) 184 CLR 163 at 179:
"If such an administrative tribunal falls into an error of law which causes it to identify a wrong issue, to ask itself a wrong question, to ignore relevant material, to rely on irrelevant material or, at least in some circumstances, to make an erroneous finding or to reach a mistaken conclusion, and the tribunal's exercise or purported exercise of power is thereby affected, it exceeds its authority or powers. Such an error of law is jurisdictional error which will invalidate any order or decision of the tribunal which reflects it."
6 Recently, in Kirk v Industrial Relations Commission; Kirk Group Holdings Pty Ltd v WorkCover Authority of New South Wales (Inspector Childs) [2010] HCA 1 (3 February 2010) the High Court discussed jurisdictional error in Australia and considered Craig at [66] - [68]
The proceedings in the Motor Accidents Authority
7 On 4 April 2006, the plaintiff (then aged 18 years) was injured in a motor vehicle accident. According to the Royal North Shore hospital discharge summary, Mr Doyle sustained the following injuries in the motor vehicle accident: right haemopneumothorax, fractured ribs, thoracic aortic aneurysm, subcapsular tear of the spleen, traumatic subarachnoid haemorrhage, scalp laceration, undisplaced fracture of right pubic ramus, head injury associated with subdural and subarachnoid haemorrhage and memory loss.
8 Mr Doyle was assessed by the Medical Assessment Service Assessors for permanent impairment. Permanent impairment is defined in the American Medical Association's Guide to the Evaluation of Permanent Impairment, 4th ed, Third Printing (1995) (AMA 4 Guides) as an impairment that has become static or well stabilised with or without medical treatment and is not likely to remit despite medical treatment. A permanent impairment is considered to be unlikely to change substantially (ie by more than 3% whole person impairment) in the next year with or without medical treatment.
9 On 7 July 2009, Jennifer Kirkby certified that the combined whole person impairment as follows:
MAS certificate of Assessor Mark Burns dated 12 March 2009. WPI 25%. [The WPI comprises cardiovascular (aorta) 20%, cardiovascular (aortic valve) 4%, cardiovascular (subclavian artery) 2%]. (This should probably have been 26% as there appears to be a mathematical error)
MAS certificate of Assessor Keith Lethlean 31 March 2009. 6% WPI
MAS certificate of Assessor Allen Mears 9 June 2009. 7%
10 As the whole person impairment assessment is 10% or greater, Mr Doyle is entitled to damages for non economic loss. The first and second defendants' insurer AAMI ("the insurer") has admitted breach of duty of care but claims contributory negligence for the plaintiff's alleged failure to wear a seatbelt. Proceedings have been commenced in the District Court at Gosford. The hearing date has been vacated because of this judicial review.
11 On 28 August 2009, the insurer sought and was granted a further permanent whole person impairment assessment on the basis there was additional relevant information in the form of further medical reports by Professor O'Rourke dated 27 June 2008 and 17 February 2009 and Professor Mattick dated 11 March 2009 pursuant to s 62(1)(a) of the Motor Accidents Compensation Act 1999 ("the Act").