Expenses voluntarily incurred by the insured for the preservation of property; this would include payments under pre-arranged salvage contracts. Sue and labour are distinguished from salvage charges leading to awards to salvors acting independently of any contract. See SUE AND LABOUR CLAUSE.

Clause in the Institute Cargo Clauses and in the International Hull Clauses reminding the insured to act at all times as though uninsured. The clause makes sue and labour charges recoverable from the marine insurer in addition to any admissible claim even a total loss claim as it is deemed by the Marine Insurance Act, s.78(1), to be a supplementary contract.
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A provision in marine insurance obligating the assured to do things necessary after a loss to prevent further loss and to act in the best interests of the insurer.