This would not be permitted in criminal or civil cases in the Courts. There is to be no access, as survivors argued for, to independent second medical opinion of their choice. The Tribunal itself, instead of being a Mental Health Review Tribunal is to be renamed a mental disorder tribunal. Survivors know full well the weakness of information about held about them. Psychiatric notes are notorious for containing, innuendo, negativity, hunch, hearsay, chinese whispers and bald face lies.
Professionals lie because they know they can get away with it.
In short evidence should be tested so the facts can be established. Without the testing of evidence justice is likely to be both summary and arbitrary. At present you can appeal to either body or both. The Government proposes removing this entire tier of safeguards by abolishing the Hospital Managers and putting nothing in its place. Now no independent body or person may review your treatment.