§ 96
If the rented property is defective as mentioned in § 95, and the landlord does not immediately remedy the defect, or if it cannot be remedied within a reasonable time, the tenant may terminate the lease if the defect is deemed significant or if the landlord has acted fraudulently.
Stk. 2.If the defect is remedied before the tenant has terminated the lease, the tenant cannot later invoke the defect as grounds for termination.