4(1)For the purposes of this Schedule a single sum expressed to be payable in respect of rent, or expressed to be payable in respect of rent and other matters but not apportioned, shall be treated as entirely rent.U.K.
This is without prejudice to the application of paragraph 4 of Schedule 4 (chargeable consideration: just and reasonable apportionment) where separate sums are expressed to be payable in respect of rent and other matters.
(2)Subject to paragraph 5 (effect of provision for rent review), section 51 (contingent, uncertain or unascertained consideration) applies in relation to rent as in relation to other chargeable consideration, but no application may be made under section 90 (application to defer payment in case of contingent or uncertain consideration) in respect of tax chargeable under this Schedule.
(3)No account shall be taken for the purposes of this Schedule of any provision for rent to be adjusted in line with the retail price index.