Commercial Act — Article 681 (Subrogation by Insurer concerning Subject Matter Insured)

If the subject matter insured is totally destroyed, an insurer which has paid the full insured amount shall acquire the rights of the insured to the subject matter: Provided, That in cases where only part of the insurable value has been insured, the rights which are to be acquired by the insurer shall be determined based on the proportion to the amount insured to the insurable value.