Paragraph 8
In the calculation of the costs of management and costs of maintenance for the purposes of this Schedule, the Greater London Council shall assess such costs in respect of separate classes, namely flats and other housing accommodation transferred by article 3, and, in the calculation of costs of maintenance, each such class shall be divided into housing accommodation first occupied before 1st January 1940 and on or after the said date.
The Treasurer of the Greater London Council shall certify—
the average cost of management and the average cost of maintenance of each class and division of housing accommodation assessed under this paragraph; and
the number of units transferred in each such class and division;
and the costs of management and the costs of maintenance shall be the total sum of the average costs in (a) multiplied by the relevant number in (b).