On of the things that the Office of Fair Trading is good at is their Publications, so you can get all the information you require here: https://www.fairtrading.nsw.gov.au/pdfs/About_us/Publications/ft191.pdf
On of the things that the Office of Fair Trading is good at is their Publications, so you can get all the information you require here: https://www.fairtrading.nsw.gov.au/pdfs/About_us/Publications/ft191.pdf