Few HR policies are required by law as such. What workplace laws mostly require is an outcome. Under WHS legislation, every business must ensure health and safety so far as reasonably practicable. Under the Sex Discrimination Act, employers must take reasonable and proportionate measures to eliminate sexual harassment and sex discrimination as far as possible (s 47C), and are liable for an employee's unlawful conduct unless they took all reasonable steps to prevent it (s 106). No law requires a standalone WHS policy or anti-discrimination policy, but written policies are the practical way to show you meet these duties. In Queensland, a business that identifies a risk of sexual harassment or sex or gender-based harassment must prepare a written prevention plan (WHS Regulation s 55H). The WHS Regulation also requires psychosocial risks to be managed, although no code of practice requires a written psychosocial policy as such; in Queensland (since 1 July 2018) and New South Wales (since 1 July 2026), a business must comply with the approved code or manage the risk to an equivalent or higher standard (WHS Act s 26A). The National Employment Standards set minimum entitlements that your policies must operationalise, and the Australian Human Rights Commission oversees positive duty compliance. Beyond mandated requirements, best practice policies such as a social media policy, grievance procedures, and flexible work arrangement provisions help your business manage workplace relations effectively. The Fair Work Ombudsman provides guidance on the obligations under the Fair Work Act that every business must meet, regardless of size.