Understanding Liability Policy Triggers
When preparing for the complete Casualty exam guide, one of the most technical areas candidates must master is the Commercial General Liability (CGL) coverage forms. Specifically, the difference between the Occurrence Form and the Claims-Made Form. These two versions of the CGL policy provide essentially the same coverages—Bodily Injury, Property Damage, and Personal and Advertising Injury—but they differ fundamentally in how coverage is activated, or "triggered."
Understanding these triggers is vital because it determines which policy responds to a loss, especially when there is a significant delay between the time an accident occurs and the time a lawsuit is filed. For many casualty lines, this "long-tail" liability can span multiple policy periods, making the trigger mechanism the most critical factor in a claim's validity. To prepare for your test, you should also spend time with practice Casualty questions to see these triggers in scenario-based contexts.
The Occurrence Form: The Industry Standard
The Occurrence Form is the most common type of CGL policy. Its trigger is based on the timing of the actual injury or damage. Under this form, the policy in effect at the time the Bodily Injury (BI) or Property Damage (PD) occurs is the policy that must respond to the claim.
Key characteristics of the Occurrence Form include:
- Timing of the Event: The accident or exposure to conditions must happen during the policy period.
- Timing of the Claim: It does not matter when the claim is eventually filed. Even if the claim is brought years after the policy has expired, the original policy that was active when the injury happened will provide coverage (provided the limits haven't been exhausted).
- The "Long Tail": This form is favorable for insureds because it provides permanent protection for events occurring during that specific window of time, regardless of future insurance changes.
The Claims-Made Form: A Different Approach
The Claims-Made Form is often used for high-risk specialty lines or professional liability. Unlike the Occurrence form, the trigger for this policy is the filing of the claim. For a claim to be covered, it must be reported to the insurer during the policy period or during an applicable extended reporting period.
However, there is a secondary requirement: the event causing the injury must have occurred on or after a specific date known as the Retroactive Date. This prevents the insurer from being responsible for incidents that happened long before the policy was even purchased. If an event happens before the Retroactive Date, the current Claims-Made policy will not pay, even if the claim is filed today.
Key Differences at a Glance
| Feature | Occurrence Form | Claims-Made Form |
|---|---|---|
| Triggering Event | Injury/Damage occurs during policy period | Claim is filed/reported during policy period |
| Retroactive Date | Not Applicable | Required to limit past liability |
| Claim Reporting | Can be years after expiration | Must be within policy term or ERP |
| Insurer Preference | Higher risk due to 'long tail' uncertainty | Lower risk; easier to predict future losses |
Extended Reporting Periods (ERPs)
Because the Claims-Made form can leave a "gap" in coverage when a policy is cancelled or not renewed, the insurance industry uses Extended Reporting Periods (ERPs), often called "tails." These allow an insured to report claims for a limited time after the policy has ended, provided the event occurred between the Retroactive Date and the policy expiration date.
- Basic ERP: This is automatically included in the policy at no extra charge. It consists of a mini-tail (60 days to report an incident) and a midi-tail (five years to file a claim if the incident was reported within those 60 days).
- Supplemental ERP: Also known as a "Maxi-tail," this is an optional endorsement that provides an unlimited duration for reporting claims. The insured must usually request this and pay an additional premium within a short window after the policy terminates.
Exam Tip: The Retroactive Date
On the Casualty exam, remember that the Retroactive Date is the "start line" for coverage. If a scenario asks about a claim filed during a current policy for an event that happened prior to the Retroactive Date, the answer is almost always No Coverage. The Retroactive Date is unique to the Claims-Made form; it does not exist on the Occurrence form.