1. Subject to paragraphs 3, 4, 5 and 6, the additional sum which may be paid to an authority under section 30(3) of the Act (referred to in this Schedule as “the additional sum”) shall be calculated in accordance with the following formula–
Where–
A is the amount available as subsidy in respect of the costs of administering housing benefit being–
in the case of new town corporations in England, Wales or Scotland, the Development Board for Rural Wales, or the Scottish Special Housing Association, £1,861,106; or
in the case of authorities other than those specified in sub-paragraph (a) of this paragraph–
in England, £110,935,584;
in Wales, £4,879,336; or
in Scotland, £10,158,941;
B is the estimate of administration costs for the two years immediately preceding the relevant year submitted by that authority before 11th December 1987;
C is the total of such estimates submitted by all authorities in the category specified in sub-paragraph (a), (b)(i), (b)(ii) or (b)(iii), as the case may be, of the definition of A;
D is the figure for that authority’s workload, calculated in accordance with paragraph 2;
E is the total of the figures for the workload, of all authorities in the category specified in sub-paragraph (a), (b)(i), (b)(ii) or (b)(iii), as the case may be, of the definition of A.