Co-insurance is generally used to refer to two or more insurances that have been arranged to cover the same losses suffered, by the same rights and interests, and which have been arranged for stated proportions of a schedule of insurance.

The term ‘co-insurance’ does not include double insurance discovered after the loss has occurred, even though it may not have been intended by the Insured.

Contribution only applies in respect of policies of indemnity.

Contribution is likely to arise at common law:

One insurer is entitled to contribution from another insurer if:

In an insurance policy, the primary purpose of a notice provision regarding dual insurance is:

The Independent Liability Method allows liability to be apportioned according to the actual liability each insurer would have if it was the only liable insurer.

An Insured who takes out multiple indemnity policies is entitled to claim and be paid more than once for the same loss.

Contribution involves the equitable sharing of a loss between insurers.