(a) By person denying responsibility for damage. Any person who is notified by the Interior Department and fails to respond or denies responsibility for the damages claimed will pay the costs of the proceedings if such person is subsequently found to be responsible for the damage claimed.

(b) By the claimant. Any claimant who files a claim will pay the cost of the proceedings if such person is subsequently found to be responsible for the damage claimed.

(c) By person denying responsibility for damage and the claimant. If more than one party is found to have responsibility for the damage claimed, then the cost of the proceedings will be apportioned between them.