Paragraph 8
(1)
For the purposes of this Schedule—
(a)
subject to sub-paragraph (2) of this paragraph, references to the basic period for any valuation lists are references to the period of five calendar years ending fifteen months before the coming into force of the lists ;
(b)
the expression " rating district ", in relation to Greater London, does not include a part of a rating area which is subject to separate or differential rating.
(2)
In the case of the valuation lists in force at the date of commencement of this Act, sub-paragraph (1)(a) of this paragraph shall have effect as if for the reference to five calendar years there were substituted a reference to two calendar years.