Australian Law1) relating to prescribing Schedule 4, 8 or 9 poisons by a registered medical practitioner
MUST NOT issue a prescription unless:
the prescription is for the medical treatment of a person other than the practitioner, and,
that person is under the practitioner's care, and named in the prescription, and,
the practitioner has taken all reasonable steps to ensure a therapeutic need exists for that poison.
in the ED, this would imply that an ED doctor should not write a discharge prescription for a physiotherapy practitioner's patient unless they themseleves have had some degree of personal assessment of that patient