epo-cat:Certifier “A role of an agent that assesses the conformance of an Item to a set of requirements and grants the certificate as a proof of conformance.

epo-cat:CertificationLabel “Concept that stands for a set of norms, expectations, standards and policies.

epo-cat:ItemDescription “Construct meant to represent the association between an attribute defined in an external classification scheme and the value ascribed to it.

epo-cat:ItemCertificate “”

epo-cat:hasPricePercentage “The factor relative to the price charged in addition.

epo-cat:hasCertificationNumber “The unique identifier of the certificate.

epo-cat:hasAttributeType “Construct meant to represent the association between an attribute defined in an external classification scheme and the value ascribed to it.

epo-cat:hasFixedAmount “The predetermined monetary value charged in addition to the price.

Added epo-cat:hasReferenceURI attribute on the class epo-cat:CertificationLabel with the following definition: “A reference to where the label specification (norms, expectations, standards and policies) can be found.

epo:hasValidityPeriod “The property indicating when the ItemCertificate is in force.

epo-cat:issuedByCertifier “Relation indicating the Certifier responsible for providing the ItemCertificate.

epo-cat:attestedByLabel “Relation indicating the conformance subject represented by a CertificationLabel.

epo-cat:hasCertification “The property providing the proof of conformance.

epo-cat:hasBaseQuantity should be mandatory, so the cardinality was set to 1.

epo-cat: hasLeadTime changed to epo-cat:hasExpectedDeliveryTime with the following definition: _“The expected amount of time between the order and delivery of an item. _