277. Every insurer other than a mutual association transacting damage insurance must maintain sufficient reserves to guarantee its obligations to its insured persons and to cover:(a) unearned premiums;
(b) outstanding losses and costs;
(c) unreported losses;
(d) reinsurance with unlicensed insurers; and
(e) all other reserves prescribed by the regulations.
Such reserves must be computed according to a system which allows a ready evaluation of the liabilities arising from policies issued by that insurer.