63ca7156_ance_of_Prompt_Claim_Reporting__Policy_Form
[Loss Reporting Requirements] The insured must notify the insurer immediately of any occurrence that may reasonably be expected to result in a claim. Some language may specify a percentage amount of the underlying insurance which, if exceeded, makes notification of the umbrella insurer mandatory [Comments] An especially troublesome notice provision found in some umbrella policies is one that places the burden on the insured to determine whether the policy may be triggered and, if so, to give notice as soon as possible. [Policy Form] 
Union Liability Fiduciary Liability Professional Liability D &O
The Importance of Prompt Claim Reporting
Policy Form