4(1)In paragraph (b) of subsection (1) of section twenty (which provides for the apportionment of expenses of a catchment board among the councils of the several counties and county boroughs wholly or partly included in the catchment area on the basis of the total of the rateable values of hereditaments in that area) for the words from " on the basis " to the end of the paragraph there shall be substituted the words
“on the basis of the product, estimated in such manner as the Minister may direct, of a rate of one penny in the pound for so much of the respective areas of those councils as is situated within the catchment area”.
(2)In subsection (4) of that section (which requires councils of counties and county boroughs to supply statements of the totals of rateable values of hereditaments in a catchment area) for the words " the totals of the rateable values of all such hereditaments in the respective areas of those councils as are" there shall be substituted the words
“the product, estimated in such manner as the Minister may direct, of a rate of one penny in the pound for so much of the respective areas of those councils as is”.