{
  "@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://vocabulary.uncefact.org/",
    "VerifiableCredential": "cred:VerifiableCredential",
    "PurchaseOrder": "unece:HeaderTradeAgreement",
    "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",
    "Party": "schema:Organization",
    "name": "schema:name",
    "street": "schema:streetAddress",
    "city": "schema:addressLocality",
    "state": "schema:addressRegion",
    "zip": "schema:postalCode",
    "country": "schema:addressCountry",
    "Buyer": "unece:TradeParty",
    "Seller": "unece:TradeParty",
    "Invoicee": "unece:TradeParty",
    "purchaseOrderNumber": "unece:identifier",
    "orderDate": {
      "@id": "unece:issueDateTime",
      "@type": "xsd:date"
    },
    "buyer": "unece:buyerParty",
    "seller": "unece:sellerParty",
    "invoicee": "unece:invoiceeParty",
    "deliveryLocation": "unece:shipToParty",
    "unlocode": {
      "@id": "unece:identifier",
      "@type": "@id"
    },
    "paymentTerms": "unece:description",
    "paymentMethod": "unece:typeCode",
    "allowanceCharge": "unece:applicableServiceCharge",
    "description": "schema:description",
    "totalOrderAmount": "unece:grandTotalAmount",
    "orderedItems": "unece:includedSupplyChainTradeLineItem",
    "productIdentifier": "unece:identifier",
    "product": "unece:specifiedTradeProduct",
    "quantityOrdered": {
      "@id": "unece:billedQuantity",
      "@type": "xsd:decimal"
    },
    "unitPrice": "unece:chargeAmount",
    "lineTotal": "unece:lineTotalAmount",
    "amount": {
      "@id": "schema:value",
      "@type": "xsd:decimal"
    },
    "currency": "schema:currency",
    "MonetaryAmount": "schema:MonetaryAmount",
    "Quantity": "schema:QuantitativeValue",
    "Product": "schema:Product",
    "TradeLineItem": "unece:SupplyChainTradeLineItem",
    "Location": "schema:Place"
  }
}