Question: What additional exemptions are determined by the commissioner

Answer passage (source: Australia):
page_title: Coming to Australia
section_headers: All others
Apply online for an exemption or provide further information
section_content: Apply online
Travellers who have a compassionate or compelling reason to travel to
Australia can also use this form to apply for an exemption.

Reviewer feedback on this answer:
Link to "Apply online" can apply for an exemption through it and there may be additional exemption information there for requester.
No explanation what these exemptions are, only a place to apply

Reviewer ratings:
Could be Improved
Bad

Answer passage (source: Australia):
page_title: Transiting Australia
section_headers: Transiting Australia
section_content: Foreign nationals transiting through Australia to another country don’t need
to apply for an exemption to travel restrictions if they are booked on a
connecting flight from the same airport and they are not going to leave the
airport. If you plan to leave the airport before boarding your connecting
flight, you will need to apply to the Commissioner of the ABF for a travel
exemption. You can apply online .

Reviewer feedback on this answer:
Answer delineates one particular exemption that is determined by the Commissioner and then gives a link to "apply online" which may have other exemptions listed as well.
No explanation what exemptions are possoble, only a link to apply.

Reviewer ratings:
Acceptable
Bad

Answer passage (source: Australia):
page_title: Coming to Australia
section_headers: All others
Additional exemptions as determined by the Commissioner
section_content: The Commissioner of the Australian Border Force (ABF) may consider an
additional exemption in relation to the travel restrictions currently in place
for:

foreign nationals travelling at the invitation of the Australian Commonwealth Government for the purpose of assisting in the COVID-19 response or whose entry would be in the national interest
critical medical services, including air ambulance and delivery of supplies, that regularly arrive into Australia from international ports
people with critical skills (for example, medical specialists, engineers, marine pilots and crews) by exception
diplomats accredited to Australia and currently resident in Australia, and their immediate family
​case-by-case exceptions for humanitarian or compassionate reasons.

Exemptions must be granted prior to travelling to Australia. The request for
an exemption through Commissioner’s Discretion must be accompanied by:

passenger details : name, DOB, visa type and number, passport number, Australian residential address, Australian telephone number)
case information : why this case should be considered for Commissioner discretion/exemption
supporting statement : the request should be accompanied by a statement and evidence of how the individual meets one of the grounds for an exemption or excise of the Commissioner’s discretion listed above.

It is important that all travellers provide evidence that they meet one of the
exemptions above before travelling.
Depending on your reason for requesting exemption, evidence must be provided
and could include:

proof of ID
marriage certificates
birth certificates
death certificates
proof of relationship (for example, shared tenancy agreement, joint bank account etc.)
visa status
letter from a doctor or hospital indicating why the travel is necessary
letter from an employer indicating why the travel is necessary or the work undertaken is critical
letter from a related business or company
any other proof you may have to support your claims.

All evidence supporting a travel exemption claim needs to be officially
translated into English. ****

Reviewer feedback on this answer:
Answer is very detailed and gives lists of documentation that would be needed as well as the caveat that whatever exemption claim there is has to be translated into English.
The answer is spelled out exactly what is being asked and provides plenty of detail

Reviewer ratings:
Excellent
Excellent