(a) In the case of a single assuming insurer, the trust shall consist of a trusteed account representing the assuming insurer's liabilities attributable to business underwritten in the United States. A trusteed surplus of not less than twenty million dollars shall be maintained by the assuming insurer, except that at any time after the assuming insurer has permanently discontinued underwriting new business secured by the trust for at least three full years, the superintendent with principal regulatory oversight of the trust may authorize a reduction in the required trusteed surplus, but only after a finding, based on an assessment of the risk, that the new required surplus level is adequate for the protection of ceding insurers within the United States, policyholders, and claimants in light of reasonably foreseeable adverse loss development. The risk assessment may involve an actuarial review, including an independent analysis of reserves and cash flows, and shall consider all material risk factors, including when applicable the lines of business involved, the stability of the incurred loss estimates, and the effect of the surplus requirements on the assuming insurer's liquidity or solvency.
The minimum required trusteed surplus shall not be reduced to an amount less than thirty per cent of the assuming insurer's liabilities attributable to reinsurance ceded by ceding insurers within the United States covered by the trust.