The amount to be registered as the rent of any dwelling-house shall include any sums payable by the tenant to the landlord in respect of council tax orfor the use of furniture or for services, whether or not those sums are separate from the sums payable for the occupation of the dwelling-house or are payable under separate agreements.
Where any rates in respect of a dwelling-house are borne by the landlord or a superior landlord, the amount to be registered under this Part of this Act as the rent of the dwelling-house shall be the same as if the rates were not so borne; but the fact that they are so borne shall be noted on the register.
Where subsection (2) above applies, the amount of the rates for any rental period, ascertained in accordance with Schedule 5 to this Act—
Where, under a regulated tenancy, the sums payable by the tenant to the landlord include any sums varying according to the cost from time to time of—
the amount to be registered under this Part of this Act as rent may, if the rent officer is satisfied or, as the case may be, the appropriate tribunal are satisfied, that the terms as to the variation are reasonable, be entered as an amount variable in accordance with those terms.