In section 5 (fixed equipment and insurance premiums) of the 1991 Act—
(a)subsection (3) is repealed; and
(b)after subsection (4) there is inserted—
“(4A)Any agreement between the landlord and tenant made before the coming into force of this subsection which purports to provide for the tenant to execute on behalf of the landlord (whether wholly at his expense or wholly or partly at the expense of the landlord) any work effecting such replacement or renewal of the building or other fixed equipment on the holding as is rendered necessary by natural decay or by fair wear and tear shall be nullified provided that subsection (4B) below is complied with.
(4B)This subsection is complied with if—
(a)following a determination (in accordance with section 13 of this Act) of the rent payable in respect of the holding, the tenant gives notice to the landlord that the agreement be nullified as from a date specified in the notice; and
(b)on that date—
(i)the buildings and other fixed equipment are in a reasonable state of repair; or
(ii)if the buildings and other fixed equipment were in an unreasonable state of repair when the agreement was made, they are not in a worse state of repair than they were then.
(4C)Any agreement between the landlord and tenant made before the coming into force of this subsection which purports to provide for the tenant to bear any expense of any work effecting such replacement or renewal of the building or other fixed equipment on the holding as is rendered necessary by natural decay or by fair wear and tear shall be subject to subsections (4A) and (4B) above.
(4D)Any agreement between the landlord and tenant made on or after this subsection comes into force which purports to provide for the tenant to bear any expense of any work which the landlord is required to execute in order to fulfil his obligations under the lease shall be null and void.”.