Final answer:
A multi-state insurer is an insurance company that is domiciled in one state and transacts insurance in another.
Step-by-step explanation:
An insurance company that is domiciled in one state and transacts insurance in another is known as a multi-state insurer
Multi-state insurers are companies that operate in multiple states, usually by obtaining licenses or other authorizations to do business in those states. They must comply with the regulations and laws of each state where they operate.
For example, a company that is based in New York but offers insurance policies to residents of California would be considered a multi-state insurer.