The Harmonized System (HS) code is an 8-digit code required for permit declarations while the CA Product Code is assigned by Competent Authorities (CA) for controlled goods. You may refer to our online version of the Singapore Trade Classification, Customs and Excise Duties (STCCED) to find the HS code of your product or make use of the HS/CA Product Code Checker to obtain the HS code and CA Product Code.