5(1)The sheriff may, on the application of either party to a lease, by order made with the consent of the other party concerned, authorise the inclusion in the lease, or in any agreement collateral to the lease, of provisions excluding or modifying in relation to the lease the provisions of paragraph 3 with respect to the repairing obligations of the parties if it appears to him, having regard to the other terms and conditions of the lease and to all the circumstances of the case, that it is reasonable to do so, and any provision so authorised shall have effect accordingly.S
(2)Subject to sub-paragraph (1) any provision, whether contained in a lease to which paragraph 3 applies or in any agreement collateral to such a lease, shall be void so far as it purports to exclude or limit the obligations of the lessor or the immunities of the lessee under that section, or to provide for an irritancy of the lease or impose on the lessee any penalty, disability or obligation, in the event of his enforcing or relying upon those obligations or immunities.