Section 81: Right of contribution.

(1) Where the assured is over-insured by double insurance, each insurer shall be bound, as between himself and the other insurers, to contribute rateably to the loss in proportion to the amount for which he is liable under his contract.
(2) If any insurer pays more than his proportion of the loss, he shall be entitled to maintain an action for contribution against the other insurers, and be entitled to the like remedies as a surety who has paid more than his proportion of the debt.