C/O mẫu AJ: https://cts.jcci.or.jp/cec/origin.htm
C/O mẫu JV: https://cts.jcci.or.jp/cec/signer.htm
Chile: https://web.sofofa.cl/certificaciondeorigen/consulta-certificados-de-ogiden-aduanas-de-destino/
China (3480/TCHQ-GSQL ngày 29/05/2020): http://origin.customs.gov.cn/ và http://check.ccpiteco.net/
India (3480/TCHQ-GSQL ngày 29/05/2020): https://coo.dgft.gov.in/
Indonesia (3480/TCHQ-GSQL ngày 29/05/2020): https://e-ska.kemendag.go.id/home.php/custom
Japan: https://ref.jcci.or.jp
Korea: http://www.customs.go.kr/kcs/co/co.do
Malaysia (3480/TCHQ-GSQL ngày 29/05/2020): http://newepco.dagangnet.com.my/
Myanmar: https://verificationco.myanmartradenet.com/
Singapore: https://www.ntp-international.gov.sg/vp/
Thailand: https://verify.dft.go.th/Verify.aspx
https://www.haiquanvietnam.com/2020/01/website-kiem-tra-thong-tin-co.html