North Atlantic Insurance Co Ltd. v Nationwide General Insurance Co Ltd. & Ors

Reinsurance arranged for an underwriting pool may be construed as a composite reinsurance of each member’s several liability, even where the wording identifies a fronting company or the agency. The court must consider the agency agreements, commercial purpose and surrounding circumstances. Pool members’ rights are subject to contractual net accounting while the common agent remains in place. Once that agency ends, and no substitute agency operates on the same terms, each member may pursue its several entitlement against external reinsurers. A contractual scheme cannot, on insolvency, prevent an insolvent member from enforcing rights or divert assets from pari passu distribution. Trusts, liens and charges over recoveries require a proper contractual or proprietary basis; they do not arise merely from the pooling arrangement.

The claimant and defendants were insurers that had participated in the Rutty underwriting pool between 1962 and 1967. The Rutty Agency arranged inward insurance, internal quota share arrangements and external reinsurance for the pool. Several members later became insolvent, and the parties sought directions concerning the identity of the reinsured, entitlement to pursue external reinsurers, ownership of recoveries, trusts, subrogation, contribution and set-off.

The court considered the effect of the agency agreements, the implied agreement between pool members, the termination of the Rutty Agency’s authority, and the insolvency principle identified in British Eagle International Air Lines Ltd v Compagnie Nationale Air France [1978] 1 WLR 758.

1. Reinsurance construction. The reinsurance contracts were concluded for the common account or joint agency account of the pool members. Read against the agency agreements and commercial background, they constituted composite reinsurance of the members’ several interests. The pool was treated as a block for retentions, aggregates, limits, premiums, recoveries and surplus cessions, but each member retained a separate proportionate interest.
2. Effect of fronting. A fronting company was liable for the whole inward risk, but internally ceded quota share interests to the other pool members. The external reinsurances therefore protected the pool’s several liabilities in combination. Each pool member could claim for its own proportionate share. A fronting company might recover the whole amount if it had sufficient title, but would then hold the excess fiduciaryly for the other members.
3. Agency and internal accounting. While the Rutty Agency remained the pool agent, the implied agreement between members required them to use the agency for underwriting, reinsurance and net accounting. An individual member pursuing an external reinsurer independently would have been in breach. That arrangement ended when the agency’s authority was terminated. It could not survive without the agency, absent a fresh substitute arrangement. The internal quota share indemnities nevertheless remained binding.
4. Trusts and proprietary claims. The agreements created a trust in relation to the segregated Premium Reserve Fund. The court found no general trust, lien or charge over external reinsurance rights or recoveries after the agency ceased to act. A member recovering more than its several share would account fiduciaryly for the excess, but a member recovering its own share had no duty to account as trustee.
5. Subrogation and unjust enrichment. Payment by solvent members under the Contribution Agreement or clause 18(b) could generate subrogation rights against the insolvent member’s liability to the fronting company. It did not subrogate the paying members to the insolvent member’s external reinsurance rights. There was no unjust enrichment because the insolvent member remained entitled to its several reinsurance interest.
6. Insolvency. The insolvency provisions purporting to withhold recoveries and create trusts, charges or liens on insolvency were invalid. Applying the principle in British Eagle, the wider contractual scheme could not prevent an insolvent member from pursuing debts owed by external or internal reinsurers, since that would alter the statutory pari passu distribution. On the disputed points, NAIC and AFG succeeded. The court reserved consequential declarations and orders.