I submitted my returns on the 22/07/2013 and after received an sms saying:

By Marc Sevitz · Updated

Thank you for filing your 2013 tax return. Account balance R3564 due to you. What I want to know is do I owe SARS or SARS owe me?
TaxTim Marc

TaxTim Marc said:
23 July 2013 at 11:10

It means SARS owes you money.