In June 2015, the World Customs Organization released the Guide to Customs Valuation (CV) and Transfer Pricing (TP). The Guide sets out the methodology for both CV and TP regimes and provides guidelines for Customs to use TP information to examine CV of related party transactions. Meanwhile, companies are also encouraged to take Customs requirements into account when preparing TP related documentation. We will provide an analysis in detail on the Guide to assist companies with their business in China to understand how the Guide would affect the practices of business, especially for giving advices which mainly base on the corresponding implementations for the further enhanced co-operation between PRC Customs and Tax Authorities.