A bureau under the auspices of the Joint Hull Committee that handles and approves applications from shipowners for returns of premium, e.g. laid-up returns.
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A bureau which approves applications by ship owners for returns of premiums as when a ship is laid up.

A hull survey undertaken jointly by a surveyor representing the insurer and another surveyor representing the insured.
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A survey of a ship carried out jointly by a surveyor on behalf of the insurer and a surveyor on behalf of the insured.

A market agreement to provide a framework for the underwriting of hull business in London. The agreement is administered by the Joint Hull Committee. The aim is to achieve some uniformity of practice by means of recommendations, but the understandings do not provide rates or a basis of rating. The understandings are reviewed annually and set guidelines on the treatment of renewals of business regarded as unsatisfactory.
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Formula comprising of premium figures and claims in respect of hull fleets for arriving at renewal premium for hull Insurance.

Two or more persons whose interests are insured under the same policy. It appears to be an established principle that, in respect of any particular risk, one insured cannot sue a joint insured under the same policy against the same risk. However, in liability insurance it is customary to add a cross liabilities clause.

Annuity on two or more lives that continues until the death of the last survivor.