A form of REINSURANCE that, subject to a specified limit, indemnifies the CEDING COMPANY against the amount of loss in excess of a specified RETENTION. It includes various types of a reinsurance such as CATASTROPHE REINSURANCE, EXCESS PER RISK REINSURANCE, per occurrence reinsurance and AGGREGATE EXCESS OF LOSS REINSURANCE. Sometimes referred to as NON-PROPORTIONAL REINSURANCE.