(1) The lessee is to tolerate measures that are necessary for the structural maintenance or repair of the leased property (structural maintenance measures).
(2) The lessee is to be given notice of structural maintenance measures in good time unless they only entail an insignificant impact on the leased property or it is imperative for them to be implemented immediately.
(3) The lessor is to reimburse expenses the lessee must incur as a result of a structural maintenance measure in a reasonable scope. On demand, the lessor is to make an advance payment.
(4) An agreement deviating from subsection (2) or (3) to the disadvantage of the lessee is ineffective.