What feature of the claims-made CGL provides an unlimited extension for making claims for losses that occurred during the policy period?

The Basic Extended Reporting Period (BERP) offers a limited time frame—typically 60 days—after the policy expires to report claims for incidents that occurred during the policy period. Unlike the SERP, it does not extend the reporting period indefinitely and thus does not provide the same level of protection for claims arising later.

The coverage trigger specifies the conditions under which a policy responds to a claim, such as occurrence or claims-made basis. While it determines when coverage applies, it does not extend the time available for reporting claims, which is the primary focus of the question regarding unlimited extensions.

The retroactive date indicates the point in time before which incidents are not covered under the claims-made policy. It serves to limit coverage to events occurring after that date, so it does not relate to extending the time for reporting claims, thus making it an incorrect choice in this context.