Final answer:
To conduct business in Massachusetts, a foreign insurer must obtain a Certificate of Authority. This legal document is crucial for an out-of-state insurance company to operate and comply with state-specific insurance regulations. The correct option is c.
Step-by-step explanation:
A foreign insurer wishing to conduct business in Massachusetts must obtain a Certificate of Authority. This is a legal document that allows an insurance company to conduct business within a state that it is not domiciled in.
Obtaining this certificate involves meeting the state's insurance regulatory requirements, which typically include financial standards and business practice regulations.
A business license, broker's license, or producer's license have different purposes and are not the correct documents for an insurance company looking to establish itself in a new state. The correct option is c.