The certificate of origin in order to obtain preferential customs duty. In the certificate of origin shall be subject to the rules of origin (Rules of Origin), which are the main three reasons.
Certification of Origin for preferential tariff. The certificate of origin shall be subject to the rules of origin ( Rules of Origin) , which are primarily three reasons.
Certification of origin to obtain tariff privileges.In the certification of origin must comply with the rules of origin (Rules of Origin), which are the main 3 respects.