Read more about CECA.
Step 1: Find out what is the preferential rate offered for your product
Step 2: Find out your product's rules of origin
Rules of origin are a set of criteria which determine a product's originating status in each respective FTA. It is put in place to ensure that only goods originating from the FTA partner countries will benefit from tariff concessions.
Singapore Customs is the authorised body in Singapore for FTA Preferential Certificate of Origin (PCO) application. Below are the three general documentary processes in using FTA.
The process from registration to receiving PCO would take about 1-2 months. Please refer to here for more information.