The document discusses reviewing safety management systems for mines and petroleum sites. It notes that operators must review their SMS within 12 months of starting operations and every 3 years after. Additionally, if a risk control measure is revised, the SMS must be reviewed and revised accordingly. The review should consider audit results, incident reports, hazard identification, and regulatory changes. Information like these can help inform the SMS review process. The review aims to improve safety performance and prioritize higher risk issues through developing an action plan with tracked progress.