How to Challenge Independent Expert in Family Violence Case

Is there anything that you can do to challenge the opinion of an independent expert concerning whether an applicant for a partner visa has suffered family violence?
Or does regulation 1.23(10), which requires that the Minister – that is either the Department or the Tribunal – to take the independent expert’s opinion to be correct the “end of the matter”?
Does this regulation necessarily put a Tribunal decision that is predicated on an independent expert’s opinion that the applicant was not the victim of family violence beyond contest?
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