Information released from Singapore Customs regarding 2017 tariff update can be found on the following website:
Message from Singapore Customs Website
We are currently revamping our National Single Window (NSW) (TradeNet®) which will include the implementation of STCCED 2017. The revamp is expected to be completed in 2018. As such, we will be using the STCCED 2012 (based on HS 2012) till the revamp is completed.