Supplement X to CEPA takes effect in January 2014, adding another 65 service liberalisation measures, far exceeding the number of measures in each of the past nine Supplements. With Supplement X, the number of service sectors open to Hong Kong service suppliers (HKSS) has reached 50, with the total number of measures accorded to HKSS surpassing 400. The new package, which consists of many Guangdong Province pilot measures, marks a key step towards free trade between the mainland and Hong Kong. More