Which of the following is NOT a reason for denying a claim?

Choosing the option related to the claim being submitted late as the reason for denial is insightful because submitting a claim late typically does not exclude the merits of the claim regarding coverage or policy details. A policyholder usually has specific timeframes within which they must report a loss or damage; however, late submission may not directly pertain to whether the actual loss is covered according to the policy's terms.

The other reasons, such as lack of coverage for a particular peril, the insured’s liability for the damage, or insufficient documentation provided, directly impact the viability of the claim itself in relation to the insurance policy. For instance, if a peril is not covered by the policy, or if the insured cannot be held responsible for the damage, then the claim cannot be processed. Similarly, inadequate documentation might lead to an inability to substantiate the claim, thus warranting its rejection. Each of these issues addresses the specific conditions of the policy and the nature of the claim, while late submission instead pertains to procedural compliance.