6.—(1) For the purposes of paragraph 4, the extent of adjustment made to the population of a local government district shall be in the same proportion as the total Northern Ireland expenditure on each key service relative to specified needs is to the total Northern Ireland expenditure.
(2) The key services to which sub-paragraph (1) relates are—
(a)community services;
(b)economic development;
(c)waste collection;
(d)other cleaning; and
(e)tourism.