proof of loss

Documentation of loss required of a policyowner by an insurance company. For example, in the event of an insured's death, a death certificate (or copy) must be submitted to the company for a life insurance death benefit to be paid to the beneficiary.

The contractual right of the carrier or service corporation to request verification of services rendered (expenses incurred) by the submission of claim forms, radiographs, study models, or other diagnostic material.