What is the primary regulatory body for insurance in Massachusetts?

The primary regulatory body for insurance in Massachusetts is the Massachusetts Division of Insurance. This division is responsible for overseeing the state's insurance industry, ensuring compliance with insurance laws and regulations, and protecting consumers. The Division of Insurance has the authority to issue licenses to insurers and agents and monitors the financial health of insurance companies operating within the state.

This agency's mission includes various critical functions such as reviewing insurance company rates, approving policy forms, and managing consumer complaints. As a part of the Massachusetts Executive Office of Consumer Affairs and Business Regulation, the Division plays a vital role in maintaining a competitive and fair insurance marketplace.

The other options refer to organizations or terms that either do not exist or have different regulatory functions, reinforcing the significance of the Division of Insurance as the correct answer in the context of insurance regulation in Massachusetts.