What is available only by endorsement for an extra charge in the context of ERP?

In the context of Business Interruption insurance, the Supplemental Extended Reporting Period (ERP) is an additional coverage that can be added to existing policies through an endorsement for an extra charge. This option allows policyholders to extend the reporting period for claims beyond what is typically offered in the policy, providing additional time for claims to be made after the initial reporting period has expired. This provision serves to enhance the flexibility and security of coverage, ensuring that businesses have adequate time to address potential financial losses resulting from interruptions.

Other types of ERPs, such as Basic ERP and Extended ERP, are usually included within the primary policy and are predefined in their terms without requiring extra costs or endorsements. The Unlimited Claims Period is more of a policy feature than an endorsement and is generally not available as an option that incurs an additional charge. Thus, Supplemental ERP stands out as the only option available solely through endorsement and at an extra expense, providing tailored coverage based on the specific needs of the insured business.