The facts
3 The appellant is a citizen of Sri Lanka. He entered Australia on 29 December 1995 as the holder of a tourist visa, valid until 29 March 1996. On 23 February 1996, he was granted a further temporary visa, valid until 26 July 1996. On that date, he was granted a further temporary visa, valid until 31 July 1997. On 17 July 1997, he applied for a family visa. The Nominator is the appellant's sister, an Australian citizen.
4 In his visa application, the appellant referred to the Nominator's psychological and emotional needs, and to his provision of emotional and psychological support for her. Subsequently, he submitted a report, dated 7 August 1997, from a psychologist, Mr Kleynhans, who had seen the Nominator once on 11 July 1997. The report described the Nominator as suffering from anxiety, and as being severely depressed, and suicidal. It also said that her husband was affected by the Nominator's mental problems and was depressed as well. It referred to the appellant as providing assistance with household chores and as playing the crucial role of keeping the Nominator company at night when her husband was working. It said that the Nominator would suffer considerably, both emotionally and physically, if the appellant were unsuccessful in his visa application, and that no other person could play the 'crucial empathetic' role of supporting the Nominator.
5 Before the Tribunal was a report from the Nominator's treating doctor, Dr Hogan, dated 24 December 2001. This report referred to the Nominator's eczema, recurrent rashes, hay fever and asthma, as well as to her anxiety and fear of the dark, and to a dislike of travelling alone after dark, since the arrival of her first child in 1996. The report said that the Nominator's condition has been stable and tolerable with family support. In a report dated 11 April 2002, Dr Hogan repeated in substance what he had said in the report of 24 December 2001.
6 The Tribunal conducted a hearing on 15 April 2002. Oral evidence was given by the appellant, the Nominator and the Nominator's husband. Each gave detailed evidence of the Nominator's condition, a disability suffered by one of her children, the appellant's assistance to her, and the work commitments of her husband. The Tribunal also sought a further report of Dr Hogan. This was dated 21 April 2002. This report said:
'I understand that there is now a need for increased detail to support the Perera's [sic] application before the Tribunal. However, I find myself in a difficult position as a full & detailed discussion of Rosanna Perera's medical condition in a non medical setting has the potential for harm to her. Therefore I will attempt to give sufficient detail to meet the Tribunal's needs while attempting to preserve her privacy & not confront her with difficult psychological issues in a non clinical situation.
…
When each condition referred to in the report of 11 April 2002 was diagnosed
As stated the nominator Mrs Perera has multiple problems with anxiety, fear of the dark, intense dislike of travelling alone after dark of which I have only been aware since the arrival of her first child who is now five years old. Her condition has been stable & tolerable provided she has trusted family support.
She is embarrassed by this situation & her condition. As she is an intelligent woman she has been able to disguise her disability by organising her life & those around her.
I have had my suspicions since the birth of her first child, however her ability to cope has been overwhelmed with the arrival of her second child with all of his problems.
I became increasingly suspicious in November 2001 when her eczema flared as it may be aggravated by considerable anxiety.
…
I became highly suspicious in April when I consulted with the family & her & wrote the report. Subsequently I have had the opportunity of speaking to her in considerable detail on 17 April…
Today I believe she in fact has a more serious condition of a social phobia agravated [sic] by significant anxiety & depression. I intend to initate [sic] treatment & refer her to an appropriate specialist.
These conditions are often well hidden & only come to light when a person can no longer cope- [sic] as seemed to have happened here.
It is a complex condition & responds slowly to treatment requiring significant social support.'