 In addition, a full glossary on common provisions, including those relating to certificates of origin certification and verification is also provided to help users get used to the complicated terms and concepts.The formalization in the role of chambers of commerce as issuing agencies for certificates of origin (CO) can be traced back to the 1923 Geneva Convention relating to the Simplification of Customs Formalities and has been reinforced with the Revised Kyoto Convention.Under these Conventions, signatory governments were able to allow organizations “which possess the necessary authority and offer the necessary guarantees” to the State to issue certificates of origin.