The EP Network
https://www.fairtrading.nsw.gov.au/trades-and-businesses/business-essentials/dealing-with-customers/acl-guides-for-businesses
https://www.fairtrading.nsw.gov.au/trades-and-businesses/business-essentials/dealing-with-customers/building-customer-relationships
https://www.fairtrading.nsw.gov.au/trades-and-businesses/business-essentials/acceptable-business-conduct/complaints-about-your-business
https://www.fairtrading.nsw.gov.au/trades-and-businesses/business-essentials/dealing-with-customers/complaints