(1) If part of the leased object has become unusable, or has become impossible to take profit from, due to loss or any other cause other than the fault of the lessee, the lessee may demand a reduction of the rent in proportion to the part which has been lost.
(2) If, as mentioned in paragraph (1), the remaining part of the object is not sufficient to enable the lessee to attain the objective for which the lease has been made, the lessee may rescind the contract for the future.