Section 6. Expenses of maintenance of works of improvement, etc., to be recoverable from the occupiers of buildings

6. Where works of improvement have been executed in any building in a slum area in pursuance of the provisions of sections 4 and 5, the expenses incurred by the Competent Authority in connection with the maintenance of such works of improvement or the enjoyment of amenities and conveniences rendered possible by such works, may be recovered from the occupier of the building as arrears of land revenue. Where there are more occupiers than one the Competent Authority shall determine the amount recoverable from each having regard to the benefits conferred and the services rendered to each.