Grounds 3 and 4
47 There was no submission that his Honour misinterpreted s11A. However, one issue of interpretation did arise on the submissions.
48 A literal reading of the combined operation of s9A and s11A would give rise to an absurdity.
49 Section 9A(1) imposes liability on the employer in circumstances where the employment was "a substantial contributing factor" to the injury. These words, particularly the use of the indefinite article, admit the possibility of other, possibly non-employment-related, substantial contributing factors: see Mercer v ANZ Banking Group Ltd (2000) 48 NSWLR 740 at 745; Dayton v Coles Supermarkets Pty Ltd (2001) 22 NSWCCR 46 at [22]. Importantly, liability under s9A(1) has no regard to the reasonableness of the employer's actions. All that is required is that the employment 'substantially contribute' to the 'injury'.
50 In circumstances in which a psychological injury has two or more 'substantial causes', one being employment related, s9A does not operate to exclude the employer's liability due to the presence of the other substantial causes. Nor, read literally, does s11A. Even if the whole of the employment-related cause of the injury was the product of reasonable actions with respect to, say, discipline, it might not be said to be the 'sole' or 'predominant' cause of the injury. The presence of other, albeit non-employment-related, 'substantial causes' could preclude such a characterisation. That is, the employer's action might not be the 'sole' or 'predominant' cause in circumstances where other causes have been found to be 'substantial'.
51 This issue potentially arises in this case. The Respondent's depression was also causally linked, inter alia, to the death of his father in 2001, and to the breakdown of his marriage. To interpret the provision in a literal fashion that would allow the unrelated causes to preclude the Appellant relying on s11A would be to allow a non-employment related injury to sustain an award of compensation.
52 The proper construction of the two sections requires an investigation of their legislative history.
53 Section 11A was first inserted into the Act by the WorkCover Legislation Amendment Act 1995, a year before s9A, for the purpose of applying "reasonable restrictions" upon claims for psychological injury. (New South Wales, Parliamentary Debates, Legislative Assembly, 6 December 1995, 4255.) Initially, s11A(1) was in the following terms:
" 11A. No compensation for psychological injury unless employment substantial cause and not due to reasonable actions by employer
(1) No compensation is payable under this Act in respect of an injury that is a psychological injury unless:
(a) the employment concerned was a substantial cause of the injury, and
(b) the injury was not wholly or predominantly caused by reasonable action taken or proposed to be taken by or on behalf of the employer with respect to transfer, demotion, promotion, performance appraisal, discipline, retrenchment or dismissal of workers or provision of employment benefits to workers."
54 In addition, the word "substantial" was defined by s11A(5):
"11A(5) A worker's employment is not to be regarded as a substantial cause of a psychological injury merely because the employment is a real or actual cause of the injury. The term "substantial" is used in this section in the sense of real and important."
55 The global requirement that all injuries be 'substantially caused' by employment before compensation is payable was brought into being when s9A was inserted by the WorkCover Legislation Amendment Act 1996. Section 11A(1) was also amended to its present form.
56 The Attorney General, in the second reading speech, described the purpose of the amendments:
"… [T]he bill will limit compensation coverage to situations where employment is a substantial contributing factor to the worker's injury or disease. This is in line with the primary objective of compensating workers who suffer injuries that have a proper link with the workplace, rather than those whose injuries have only a remote or tenuous connection with work.
The amendments specify that the weaker test of considering whether an injury arose out of or in the course of employment will no longer be enough by itself.
Questions relevant to whether employment was a substantial factor in a worker's injury can include the time and place of the injury, the nature and duration of the work, whether it was merely a coincidence that the injury occurred at work and the extent of any non-employment contributing factors.
In the case of psychological stress claims, the substantial contributing work factor requirement for claims generally subsumes the provision introduced on 1 January 1996 that workers' employment should be a 'substantial cause' of the stress condition." (New South Wales, Parliamentary Debates , Legislative Council, 26 November 1996, 6509-6510 (The Hon Jeff Shaw - Attorney General, and Minister for Industrial Relations).)
57 The important feature of the legislative history of the two sections is the fact that, as initially framed, s11A(1) captured each of the concepts of 'substantial cause' and 'whole or predominant cause' and was inserted into the Act to place "reasonable restrictions" upon claims for psychological injury. The 'substantial cause' requirement was moved to s9A(1) when Parliament determined to make that requirement apply to all claims, thus 'subsuming' the operation of s11A(1). It is proper to continue to construe both requirements as operating in an interrelated manner.
58 To avoid the absurdity that arises from a literal approach, and having regard to the context of the legislative scheme and its purpose, it is necessary to understand s11A to mean that the employer is not liable where, to the extent that the employment contributed to the injury, that contribution was wholly or predominantly caused by reasonable action taken with respect to … discipline".
59 With respect to grounds 3 and 4, the Appellant asserted that his Honour failed to apply the statutory formula contained in s11A, or, alternatively, did not provide sufficient reasons to indicate that he had done so.
60 As outlined above, his Honour overturned one of the Arbitrator's findings on reasonableness. The Appellant submitted that it was therefore necessary for his Honour to revisit the other aspect of s11A, and to make a finding thereon. That is, his Honour should have determined for himself whether or not the Respondent's psychological injury was "wholly or predominantly caused by" the Appellant's 'reasonable actions with respect to discipline'.
61 The Appellant also contended that, on the evidence, the sole or predominant cause could only be the investigation and the delay in completing it. Both the Arbitrator and his Honour held that the delay was reasonable. On these facts, s11A was necessarily made out. This raises a point of law. (See Hope v Bathurst Council (1980) 144 CLR 1.)
62 His Honour's findings on the Appellant's unreasonable conduct, and his finding on the application of s11A that followed, were:
"[154] … I agree with the Arbitrator that the Department's (a) failure to provide more detail of the allegations it was investigating, and (b) total prohibition on contact with any students at the school were not 'reasonable action[s] with respect to discipline'. To overturn those conclusions the Department on this appeal has to do more than simply say (see P25-26) that Mr Sinclair simply must have known what the allegation against him actually was, on reading the 21 February letter in full. Even if that were so, he was then confronted within days by a firm direction to have no contact at all with any student at the school.
…
[156] For those reasons I uphold the Arbitrator's conclusion in par [47] that s 11A does not apply to Mr Sinclair's case, and that he is 'entitled to compensation if he is in fact incapacitated'. Grounds 5 and 5A of this appeal, therefore, fail." [His Honour's emphasis]
63 With respect to s11A counsel then appearing for the Appellant made the following submission to Sheahan J with respect to the evidence of Ms Garner:
"The depression was due to the extremely prolonged investigation. Not to the transfer. …" (Black 149)
64 By this submission the Appellant contended that his Honour ought to attribute the cause of the injury solely to the investigation and the delay in the investigation. On the medical evidence to which I will refer below, this submission was open to be made.
65 Furthermore, the submission was reinforced when, in the context of referring to Dr Teoh's reference to the Respondent's "problems", counsel submitted:
"If the problems were him not knowing the outcome of the investigation and his future or the failure to make decisions for a prolonged period, in our submission, the Arbitrator's finding which you would follow, that the investigation was not unreasonably delayed, would dispose of that issue altogether." (Black 149-150)
66 A submission was also made that there was no basis in the medical evidence for concluding that the failure to give particulars was a cause of the injury. (Black 125).