Insurance Code (usually included in commercial codals)
Section 130. An actual total loss is cause by:
(a) A total destruction of the thing insured;
(b) The irretrievable loss of the thing by sinking, or by being broken up;
(c) Any damage to the thing which renders it valueless to the owner for the purpose for which he held it; or
(d) Any other event which effectively deprives the owner of the possession, at the port of destination, of the thing insured.