A term, commonly used in Marine insurance, whereby the insured’s interest remains covered in the event of a circumstance arising which would, without prior agreement, cancel coverage.

The colloquial term for a clause that limits the time period during which claims arising from a given occurrence may be included as part of the loss under a catastrophe excess of loss treaty. The time period is usually measured in consecutive hours (usually 72 or 168 hours) and most often applies to property loss occurrences, e.g., a windstorm, conflagration, or earthquake, and less frequently in occupational disease and other casualty loss occurrences.