No, the Federal Court of Appeal has said that they must prove, on a balance of probabilities, the individual facts of the claim, but in a decision called Cole, which is about two years old, said that the question is whether or not it is “reasonable to conclude” that the condition was related to service and that service was a significant cause, which, as the Federal Court writes, is more than 1% and less than 49%.
On May 31st, 2016. See this statement in context.