REINSURANCE: A Reinsurance treaty where Insurers are not given details of individual risks ceded to them.
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Refer: “Reinsurance, Blind Treaty.”
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UK: Reinsurance treaty under which the cedant, instead of notifying individual risks routinely, supplies periodical summaries of premiums and claims. The reinsurer rarely exercises his right to examine the cedant’s books in relation to any risk or claim.

A method used for calculating the premium in an excess of loss Reinsurance contract.
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Refer: “Reinsurance, Block Rating.”