What are the main topics covered in Division 120?

The correct choice revolves around vocational assistance provided to injured workers, which is a critical aspect of rehabilitation and reintegration into the workforce after a workplace injury. Division 120 focuses on ensuring that injured employees receive the necessary support and services that can help them return to gainful employment. This can include job training, education, and other resources tailored to meet the specific needs of these individuals.

Examining the other options clarifies why they do not reflect the primary focus of Division 120. Disability Rating Standards typically concern how injuries are quantified and rated, which falls under a different regulatory framework. Managed Care Organization Rules relate specifically to healthcare provider networks and their operation, not directly to vocational assistance. Claim Closure and Reconsideration Rules focus on the procedural aspects of how claims are finalized and contested, rather than on the support provided to workers to help them transition back into employment. Therefore, the emphasis on vocational assistance aligns perfectly with the intent and scope of Division 120.