Apportionment of aggregate amount of rateable values among authorities
5.—(1) The aggregate amount referred to in article 4(a) above is hereby apportioned as—
(a)£10,641,747 in respect of lands and heritages occupied by the East Authority;
(b)£6,127,956 in respect of lands and heritages occupied by the North Authority; and
(c)£16,448,665 in respect of lands and heritages occupied by the West Authority.
(2) That part of the aggregate amount of the rateable values of the prescribed class of lands and heritages to be apportioned for each of the three financial years following the financial year 1996-97 in respect of the lands and heritages occupied by each authority shall be calculated in accordance with the formula—
where—
A is the apportioned amount for that authority for the financial year immediately prior to the financial year for which the calculation is being carried out;
B is the relevant adjusted volume of supply for the financial year ending 1 year before the beginning of the financial year for which the calculation is being carried out; and
C is the relevant adjusted volume of supply for the financial year ending 2 years before the beginning of the financial year for which the calculation is being carried out.
(3) In paragraph (2) above—
(a)“the relevant adjusted volume of supply” for a financial year beginning after 31st March 1996 means the adjusted volume of supply for the authority and financial year in question; and
(b)“the relevant adjusted volume of supply” for a financial year beginning before 1st April 1996 means—
(i)in the case of the East Authority, the total of the adjusted volumes of supply for the regional councils for Borders Region, Central Region, Fife Region and Lothian Region for the financial year in question, together with 78% of the Board’s adjusted volume of supply for that year;
(ii)in the case of the North Authority, the total of the adjusted volumes of supply for the regional councils for Grampian Region, Highland Region and Tayside Region for the financial year in question, together with the total of the adjusted volumes of supply for the islands councils for the Orkney Islands Area, the Shetland Islands Area and the Western Isles Islands Area for that year; and
(iii)in the case of the West Authority, the total of the adjusted volumes of supply for the regional councils for Dumfries and Galloway Region and Strathclyde Region for the financial year in question, together with 22% of the Board’s adjusted volume of supply for that year.
(4) The adjusted volume of supply for an authority and a financial year shall be calculated in accordance with the formula—
where—
D is the number of megalitres of potable water produced by the authority, and supplied during that year for use;
E is the number of megalitres of potable water produced by the authority, and supplied during that year in bulk to another authority;
F is the number of megalitres of potable water received by the authority in bulk during that year;
G is the number of megalitres of non-potable water produced by the authority, and supplied during that year for use;
H is the number of megalitres of non-potable water produced by the authority, and supplied during that year in bulk to another authority;
J is the number of megalitres of non-potable water received by the authority in bulk, and supplied during that year, as non-potable water, for use; and
K is the number of megalitres of non-potable water received during that year by the authority in bulk for treatment and supply, as potable water, for use.
(5) Any reference in paragraph (4) above to the supply of water in bulk is a reference to a supply taken by an authority for augmenting or constituting the supply to be given by it.