Where can I purchase a SmartTAG? 12 August 2021 07:19 We have discontinued the sale of SmartTAG’s since 2018. Any sale of SmartTAG’s available in the market is not part of TNGSB. Related articles I have a SmartTAG but it’s faulty. Where can I send it for repair? How much does a TNG card cost? How long will it take to repair my faulty SmartTAG? What is a SmartTAG? What is a Touch ‘n Go (TNG) card?