{
  "@context": {
    "@version": 1.1,
    "@protected": true,
    "id": "@id",
    "type": "@type",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "schema": "https://schema.org/",
    "cred": "https://www.w3.org/2018/credentials#",
    "unece": "https://vocab.unece.org/",
    "VerifiableCredential": "cred:VerifiableCredential",
    "PreferentialCertificateOfOrigin": "unece:TradeDocument",
    "validFrom": {
      "@id": "cred:validFrom",
      "@type": "xsd:dateTime"
    },
    "validTo": {
      "@id": "cred:validTo",
      "@type": "xsd:dateTime"
    },
    "issuer": {
      "@id": "cred:issuer",
      "@type": "@id"
    },
    "credentialSubject": {
      "@id": "cred:credentialSubject",
      "@type": "@id"
    },
    "credentialSchema": "cred:credentialSchema",
    "name": "unece:name",
    "certificateNumber": "unece:identifier",
    "goodsDeclarationNumber": "unece:identifier",
    "issueDate": {
      "@id": "unece:declarationDate",
      "@type": "xsd:dateTime"
    },
    "tradeAgreement": "unece:fulfilsTradeAgreement",
    "consignor": "unece:consignor",
    "destinationCountry": "unece:finalDestinationCountry",
    "transportContractNumber": "unece:TradeDocument",
    "invoiceNumber": "unece:referencedDocument",
    "contractNumber": "unece:referencedDocument",
    "numberOfPackages": "unece:packageQuantity",
    "description": "unece:description",
    "hsCode": {
      "@id": "unece:ReferenceCodeList#HS"
    },
    "originCriteria": "unece:originCriteria",
    "quantity": "unece:grossVolume",
    "netWeight": "unece:netWeightMeasure",
    "grossWeight": "unece:grossWeight",
    "amount": {
      "@id": "schema:value",
      "@type": "xsd:decimal"
    },
    "unit": "unece:unitCode",
    "currency": "unece:currency",
    "unLocode": "unece:unLocationCode"
  }
}