Most property insurance policies include a provision that requires the insured to provide prompt notice of a loss as soon as possible after a covered loss—known as the notice of claim provision or awareness provision.

An insured’s failure to do so may be a breach of the insurance contract and allow the insurance company (insurer) to deny the claim—meaning the insurer would have no obligation to defend or indemnify the insured against the claim—and may allow the insurer to cancel the insurance policy.

Courts in many states have adopted the Notice-Prejudice Rule, which prohibits an insurer from denying a claim—even when the notice provided by the insurer may not have been prompt—unless the insurer can demonstrate actual prejudice resulting from the delayed notice of loss.

But some courts have held that the failure to notify the insurer within a reasonable time constitutes a breach of the insurance contract—unless there is a justifiable excuse or extenuating circumstances explaining the delay—and the insurer cannot be held liable under the insurance contract to defend the insured and pay any settlements or court judgments on the loss. This is known as the Traditional Notice Rule.

In Wyoming, as in many states, property insurance policies typically include a clause that requires the insured to promptly notify the insurer of any losses as soon as possible after they occur. This is known as the notice of claim provision or awareness provision. If an insured fails to provide timely notice, they may be in breach of the insurance contract, which can lead to the insurer denying the claim and potentially canceling the policy. Wyoming courts have generally followed the Traditional Notice Rule, which means that if an insured does not notify their insurer within a reasonable time and cannot provide a justifiable excuse for the delay, the insurer may not be obligated to defend or indemnify the insured. Unlike jurisdictions that have adopted the Notice-Prejudice Rule, which requires insurers to show actual prejudice from delayed notice before denying a claim, Wyoming's adherence to the Traditional Notice Rule places a stronger emphasis on the insured's obligation to provide timely notice of a loss.