As I envision it, and as I would propose it, the minister responsible for the public office holder, or in the case of ministers of the crown, the Prime Minister, would be required to deliver a written response within a certain time period to the commissioner, which would be made public.
It may be that the response from the Prime Minister or from the minister might be, “I've spoken with the minister. He understands what he did was wrong, and certainly he won't do this in the future”, or—