Non-Life Non-Proportional Liability Reinsurance Risk

Overview

This calculator prepares the Article 133 liability amount for Non-Proportional Liability Reinsurance Risk.^[1] It covers accepted liability reinsurance where the reinsurer responds above an attachment point or within a layer rather than sharing every underlying policy in fixed proportion.

Input Terms

• Non-Proportional Liability Reinsurance Premium: Premiums earned during the next 12 months for insurance and reinsurance obligations in the non-proportional liability reinsurance risk group, before deducting reinsurance premiums.^[1]
• Non-Proportional Liability Reinsurance Largest Limit: The largest limit of indemnity provided in this risk group; it supports the Article 133 claim-count diagnostic and does not cap the group risk amount.^[1]
• Non-Proportional Liability Reinsurance Unlimited Cover: A yes/no indicator that the undertaking provides unlimited cover in this risk group; when cover is unlimited, Article 133 sets the diagnostic claim count to one.^[1]
• Non-Proportional Liability Reinsurance Risk Factor: The fixed Annex XI factor for this group; a factor of 2.1 means the prepared group amount is 2.1 times the relevant premium.^[1]
• Non-Proportional Liability Reinsurance Risk: The prepared group amount obtained by multiplying the risk factor by the premium base.^[1]

Technical Rationale

Article 133 treats non-proportional liability reinsurance separately because excess-of-loss and layered liability covers can concentrate severe underlying claims into the reinsurer's layer. The higher fixed factor reflects the standard-formula view that this group can carry a more leveraged catastrophe profile than direct liability premium alone.

The largest limit and unlimited-cover inputs support the Article 133 claim-count assumption. They explain how many representative claims would make up the instantaneous loss, but they do not reduce the factor-based amount.

Important Notes

• Scope: The amount is one Article 133 liability group component in the diversified liability risk aggregation.
• Recoverables: Article 133 does not deduct reinsurance or SPV recoverables from the instantaneous loss amount. Recovery effects require a stressed basic-own-funds model rather than a simple deduction on this page.
• Reporting: The result supports the Article 133 liability catastrophe component used in the S.25.01.01 standard-formula reporting view.^[2]