When coverage applies, retroactive dates, tail coverage, and claims-made vs occurrence explained. 6 terms every policyholder should know.
Claims-Made vs Occurrence
Claims-made responds to claims first made and reported during the policy period for events after the retroactive date; occurrence responds to any event that occurs during the policy period.
Also: Coverage Trigger · Claims-Made Policy · Occurrence Policy
Effective Date
The date your insurance coverage begins.
Extended Reporting Period (Tail / ERP)
A window after a claims-made policy ends to report claims for events that occurred during the policy.
Also: Tail Coverage · ERP · Tail Policy
Policy Period
The dates your insurance coverage is active.
Prior Acts
Coverage for events that occurred before your current policy started but are claimed now.
Also: Full Prior Acts · Prior Acts Coverage
Retroactive Date
The earliest date from which claims-made coverage applies.
Also: Retro Date · Prior Acts Date
Definitions are educational and may be modified by your specific policy language, endorsements, and state rules. For regulatory guidance, refer to the California Department of Insurance or the NAIC.