In the absence of any change increasing the risk without the consent of the insurer or of fraud on the part of the insured, and except as provided in Sections 2056 and 2058, the insurer under such a valued policy shall pay losses as follows:
(a) In case of a total loss, the whole amount insured upon the insured’s interest in such building or structure, as stated in the policy and upon which the insurers have received a premium.
(b) In case of a partial loss the full amount of the partial loss.
(c) In case there are two or more policies covering the insured’s interest, each policy shall contribute pro rata to the payment of such whole or partial loss.
(Amended by Stats. 1991, Ch. 602, Sec. 5.)