Section 123
SEC. 123. An actual total loss is caused by: (a) A total destruction of the thing insured; (b) The 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 purposes for which he held it; or (d) Any other event which entirely deprives the owner of the possession, at the port of destination, of the thing insured.