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Mandatory signs tell workers what they must do to be safe in a specific area. Identified by a blue circle with a white symbol, mandatory signs under AS/NZS 1319 cover the full range of required actions, from PPE requirements to hygiene procedures and access restrictions.
Industro supplies mandatory signs to workplaces across Australia, including construction sites, factories, food processing facilities, laboratories, and warehouses. Every sign in our range is AS/NZS 1319 compliant and made from materials suited to the environment it is going into.
Common mandatory sign types
- Hard hat must be worn
- Safety footwear must be worn
- High visibility clothing required
- Eye protection must be worn
- Hearing protection required
- Respiratory protection must be worn
- Hand washing required before proceeding
- Authorised personnel only
Mandatory signs and WHS compliance
Under WHS legislation, employers are required to control workplace hazards using a hierarchy of controls. Where PPE is the final or only practical control for a hazard, mandatory signage must be displayed to ensure workers comply. Inspectors check for mandatory signs as a matter of routine in any workplace audit.
Incorrect or missing mandatory signage can result in improvement notices and fines, and increases your liability exposure in the event of a workplace injury.
Why buy from Industro
Our mandatory signs are available in multiple sizes and materials to suit indoor and outdoor environments. UV-resistant options are available for outdoor areas with prolonged sun exposure. Stock items ship same day from our Australian warehouse.
Can I get mandatory signs with custom text?
Yes. Industro produces custom mandatory signs for site-specific requirements where a standard sign does not cover the exact instruction needed. Contact us with your requirements and we will provide a quote.
How do I know which mandatory signs are required for my workplace?
The mandatory signs required depend on the hazards present in each area of your workplace and the controls in place. A WHS risk assessment will identify where mandatory signage is required. If you need guidance on signage requirements for your specific industry, contact your state SafeWork authority.
Browse more safety signs
View the full range of safety signs at Industro, or explore related categories:
Related guides: AS/NZS 1319 compliance guide • Workplace signage requirements in Australia
Further reading: Mandatory signs: what the blue circle means at work — in-depth guidance on Australian standards and compliance requirements.