A Certificate of conformity is normally given by the conformity assessment bodies that have been accredited by the authority. The certificate gives an assurance that the product adheres to the technical regulations and specifications in which it belongs to. The validity of the Certificate of conformity is usually one year. On the other hand, Shipment conformity certificate is normally issued for each imported shipment. It contains information about the number of products and also the billing information. The certificate expires when the shipment is cleared.