Police are investigating the passing of valueless cheques at businesses in the Limestone Coast over the past fortnight.
Limestone Coast police are asking businesses accepting cheques for payment to only do so from trusted customers.
Where customers are not known to the business police urge them to not accept the cheque.
Anyone with any information to assist in this investigation is asked to contact Crime Stoppers online at www.crimesstopperssa.com.au or via phone 1800 333 000.