Extended Reporting Period
What you need to know
What you'll learn
Clear explanation of ERP coverage and how it works with claims-made policies
Detailed breakdown of basic, supplemental, automatic, and purchased ERP options
Real-world consulting firm example showing practical ERP application
Cost considerations and duration options from 30 days to indefinite coverage
Key differences between ERP and occurrence-based insurance policies
Professional guidance on choosing the right ERP for your business needs
Years of experience
Clients protected
5-star reviews
An Extended Reporting Period (ERP) is a critical feature of claims-made insurance policies that extends the time frame during which policyholders can report claims after their policy has expired. Unlike occurrence-based policies that cover incidents based on when they happened, claims-made policies require that claims be reported during the active policy period. An ERP bridges this gap by providing additional time to report claims for incidents that occurred while the policy was active, protecting businesses from coverage gaps.
Understanding how ERPs work is essential for businesses carrying professional liability, directors and officers liability, or other claims-made policies. When a claims-made policy expires, businesses face the risk that claims arising from past work may surface after coverage has lapsed. For example, a consulting firm whose professional liability policy expired on 31 December 2023 might receive a claim in February 2024 regarding advice provided in November 2023. Without an ERP, this claim would not be covered despite the incident occurring during the active policy period. With an ERP in place, the firm can report and receive coverage for this claim.
There are four main types of Extended Reporting Periods available to businesses. A Basic ERP typically provides 30 to 60 days of extended reporting at no additional cost and is often included automatically in claims-made policies. A Supplemental ERP, commonly known as tail coverage, extends the reporting period for longer durations—one year, three years, or even indefinitely—and requires purchasing additional coverage. An Automatic ERP activates under specific conditions, such as when an insurer cancels or refuses to renew a policy, providing limited protection built into the policy terms. Finally, a Purchased ERP is explicitly bought by the insured when they anticipate needing extended coverage beyond basic options, and must be arranged before the original policy expires.
The cost and duration of an ERP vary significantly based on several factors. Basic ERPs of 30-60 days are often provided at no extra charge, whilst extended periods require additional premiums that increase with the length of coverage. The cost also depends on the nature of the business, its claims history, and the risks associated with potential future claims. Businesses must carefully weigh the potential financial exposure from late-reported claims against the cost of purchasing extended coverage.
It's important to understand that an ERP maintains the original policy's coverage terms, limits, and conditions—it simply extends the reporting window. The scope of covered incidents, liability limits, deductibles, and exclusions remain identical to the expired policy. The ERP also respects the retroactive date of the original policy, meaning only incidents occurring after that date and during the active policy period are covered. For businesses transitioning between insurers, changing business structure, or retiring from practice, carefully considering ERP options ensures continuous protection against claims that may arise long after services were provided.
Meet the author
See the author who wrote this article

Secure the exact cover your business needs
Getting insured shouldn't be a headache. We use innovative technology to strip away the paperwork and deliver a tailored, accurate quote in record time.
