Expenses of maintenance of work of improvement, etc., to be recoverable from the occupiers of buildings

Where works of improvement, have been executedin relation to any,building in a slum area in pursuance of the provisions of sections 4and 5, the expensesincurred by the competent authorityin connection with the maintenance of such works of improvement or theenjoyment of amenities and conveniences rendered possible by ,such work shall be :recoverable from the occupiers of the building as arrears of land revenue.