This amendment simply provides that a person who is suffering from an underlying mental health challenge undergo a psychiatric assessment to determine their capacity to give informed consent.
The body of evidence, both before the justice committee and the Special Joint Committee on Physician-Assisted Dying indicates that physicians and nurse practitioners may have the ability to diagnose an underlying mental health challenge, but to undertake something that is more complex, such as determining the capacity to consent in the context of physician-assisted dying, someone with further training such as a psychiatrist is required. What's more, the evidence before the justice committee was that psychiatrists are precisely equipped and trained to make this type of assessment.
It's a very straightforward amendment to protect the group of persons who are perhaps the most vulnerable of any, those who suffer from underlying mental health challenges.