[[Actuarial Notes Wiki|Wiki]] / [[Exam 5 (CAS)]] / **Claims-Made Coverage**
## Definition
==Claims Made Coverage== Claims-made coverage is an insurance policy form that covers claims that are reported during the policy period, regardless of when the loss occurred (subject to retroactive date).
## Key Features
### Coverage Trigger
Claim must be **reported** during policy period:
- Report date within policy term
- May require occurrence after retroactive date
- Immediate coverage cutoff at expiration
- Extended reporting period (ERP) available
### Example
```
Policy Period: 1/1/2024 - 12/31/2024
Retroactive Date: 1/1/2020
Loss occurs: 6/15/2023
Claim reported: 9/1/2024
Result: COVERED
(occurred after retro date, reported during policy)
```
## Retroactive Date
Earliest date of loss that can be covered:
- Establishes coverage boundary
- Typically policy inception date for first year
- Carried forward in renewal
- Creates "gap" coverage without proper transition
## Extended Reporting Period (ERP)
Coverage for claims reported after expiration:
- Also called "tail coverage"
- Covers occurrences during policy period
- Reported after expiration
- Purchased at additional premium
## Advantages
- Lower initial premium
- Limits insurer's tail exposure
- Faster claim closure
- Better matched premium/losses
## Disadvantages
- Need continuous coverage
- Gap risk if lapse
- ERP cost at cancellation
- More complex to understand
## Ratemaking Implications
### Data Organization
**Report year** is natural:
- Matches coverage trigger
- Shorter development
- Faster emergence
### Reserve Development
- Shorter tail
- Lower IBNR percentage
- Quicker settlement
## Common Lines
- Professional liability (D&O, E&O)
- Medical malpractice
- Environmental liability
- Products liability (some)
## Related Concepts
- [[Occurrence Coverage]]
- [[Report Year]]
- [[IBNR Reserves]]
## References
- Werner & Modlin, Chapter 3