What is ACORD 3?
ACORD 3 (General Liability Notice of Occurrence/Claim) is used to report a liability incident or formal claim to the carrier. Importantly, it can be used to report an occurrence, an event that may give rise to a claim, even before any actual claim has been made.
Reporting potential occurrences early protects coverage. Most CGL policies require notice 'as soon as practicable' for occurrences likely to result in claims. Failing to report early can give the carrier grounds to deny coverage when a claim eventually materializes.