Impairment from injuries sustained after the accepted workplace injury constitutes impairment from 'unrelated injuries or causes' under s 91(7)(c) of the AC Act and must be disregarded by a medical panel. A medical panel that receives new material information during an examination must give affected parties notice and an opportunity to respond before issuing its opinion. Remittal to a differently constituted decision-maker requires a showing of unfairness or impracticability — it is not ordered as a matter of course. The question whether inadequacy of voluntarily provided reasons (without a s 8 ALA request) can independently ground judicial review remains open.
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