No expenditure shall be made from any working capital fund or liability incurred against it, (a) in excess of the cash on hand and warrants for collection less voucher warrants outstanding; (b) for any object or purpose not authorized in the annual appropriation ordinance; (c) for any item for which reimbursement may not be reasonably expected. No purchases for stock and for issuance therefrom shall be made in quantities in excess of the lowest practicable needs, except when justified to secure lower prices in quantity purchases or under special market conditions, as determined by the controlling department head.
(Prior code § 7-24.6)