Final answer:
An insurer issuing a policy that refuses to cover certain risks is referred to as an exclusion in insurance terms.
Step-by-step explanation:
When an insurer issues a policy that refuses to cover certain risks, this is referred to as a(n) exclusion. An exclusion is a specific provision in an insurance policy that removes coverage for certain risks or conditions. It outlines the situations or types of losses that will not be covered by the insurance policy, thus limiting the coverage to other risks.
Learn more about Insurance exclusions