The best/ most clear recommendation comes from the First Aid Code of Practice.
code_of_practice_-_first_aid_in_the_workplace_0_0.pdf (https://forum.trainingdesk.com.au/uploads/short-url/dHahlb0PcDGEPUDyr4urwS5ESnD.pdf)(418.3 KB)
See below the screenshot with the specific reference:
https://static.wixstatic.com/media/88585c_e3e0634cfde047e48ce0f263398c2f48~mv2.png
