Under clause 229 of the OHS Regulation 2001, subcontractors must not commence work unless they:

• have been provided with a copy of the relevant parts of the OHS management plan
• have undertaken risk assessment of the work to be carried out and provided a written safe work method statement to the principal contractor, including the risk assessment
• have ensured that they and their employees have undertaken OHS induction training as required
• maintain and keep up-to-date the safe work method statement
• provide the principal contractor with updated safe work method statements and other information in relation to hazardous substances.

Where high risk construction work is carried out, a subcontractor must not commence work unless they have:

• undertaken risk assessment of the work to be carried out and provided the principal contractor with a written safe work method statement including any changes made to that statement
• ensured that they and their workers have undertaken OHS training as required.