(2) If an insurer or health care service contractor pays for ambulance services according to the terms of its policy or contract in response to a claim received earlier than the certified copy of a notice of lien for those ambulance services is received under ORS 87.613, then the insurer or health care service contractor is not liable for the amount claimed in the notice of lien and the person or governmental unit has no cause of action under ORS 87.603 to 87.633 against the insurer or health care service contractor. [1983 c.821 §7]