{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://unvtd.unece.org/letter-of-credit-schema.json",
  "title": "Letter of Credit",
  "description": "A financial instrument issued by a bank on behalf of a buyer guaranteeing payment to a seller upon presentation of specified documents conforming to the terms and conditions of the credit.",
  "type": "object",
  "required": [
    "@context",
    "type",
    "issuer",
    "credentialSubject",
    "credentialSchema"
  ],
  "properties": {
    "@context": {
      "type": "array",
      "description": "JSON-LD contexts: the W3C Verifiable Credentials v2 context, followed by this document's context.",
      "const": [
        "https://www.w3.org/ns/credentials/v2",
        "https://unvtd.unece.org/letter-of-credit-context.jsonld"
      ]
    },
    "type": {
      "type": "array",
      "description": "Credential types.",
      "const": [
        "VerifiableCredential",
        "LetterOfCreditCredential"
      ]
    },
    "name": {
      "type": "string",
      "description": "Human-readable name of the credential, for display.",
      "example": "Letter of Credit"
    },
    "credentialSchema": {
      "type": "object",
      "description": "Reference to the credential schema for validation",
      "properties": {
        "id": {
          "type": "string",
          "format": "uri",
          "const": "https://unvtd.unece.org/letter-of-credit-schema.json",
          "description": "Public location of the schema"
        },
        "type": {
          "type": "string",
          "const": "JsonSchema",
          "description": "Schema type identifier"
        }
      },
      "required": [
        "id",
        "type"
      ]
    },
    "id": {
      "type": "string",
      "format": "uri",
      "description": "Unique identifier for the credential",
      "example": "urn:uuid:lc-2025-au-456789"
    },
    "validFrom": {
      "example": "2025-03-01T00:00:00.000Z",
      "type": "string",
      "format": "date-time",
      "description": "Credential validity start date"
    },
    "validUntil": {
      "example": "2025-07-31T00:00:00.000Z",
      "type": "string",
      "format": "date-time",
      "description": "Date until which this credential is valid."
    },
    "issuer": {
      "description": "Identifier of the issuing bank (e.g., DID)",
      "type": "string",
      "format": "uri",
      "example": "did:web:globaltradebank.example.com"
    },
    "credentialSubject": {
      "name": "LetterOfCredit",
      "description": "Letter of credit details",
      "type": "object",
      "required": [
        "type",
        "documentaryCreditIdentifier",
        "documentaryCreditIssueDate",
        "documentaryCreditEffectiveEndDate",
        "documentaryCreditApplicant",
        "documentaryCreditAvailableBank",
        "documentaryCreditBeneficiary",
        "documentaryCreditAmount"
      ],
      "properties": {
        "type": {
          "type": "string",
          "description": "Type of the business document.",
          "const": "LetterOfCredit"
        },
        "documentaryCreditIdentifier": {
          "example": "LC-2025-AU-456789",
          "type": "string",
          "description": "Reference number to identify a documentary credit (letter of credit)."
        },
        "documentaryCreditIssueDate": {
          "example": "2025-03-01T00:00:00Z",
          "type": "string",
          "format": "date-time",
          "description": "Issue date of a documentary credit."
        },
        "documentaryCreditEffectiveEndDate": {
          "example": "2025-07-31T00:00:00Z",
          "type": "string",
          "format": "date-time",
          "description": "Date on which the validity of a documentary credit expires."
        },
        "latestShipmentDate": {
          "example": "2025-06-30T00:00:00Z",
          "type": "string",
          "format": "date-time",
          "description": "Latest date by which the goods must be shipped under the documentary credit."
        },
        "documentaryCreditApplicant": {
          "description": "Party on whose behalf the documentary credit is issued (typically the buyer/importer).",
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "default": "Party",
              "enum": [
                "Party"
              ]
            },
            "id": {
              "example": "did:web:waveridersupplies.example.com",
              "type": "string",
              "format": "uri",
              "description": "A unique party identifier."
            },
            "name": {
              "example": "Wave Rider Supplies, Inc",
              "type": "string",
              "description": "Trade party name."
            },
            "postalAddress": {
              "description": "The postal address of the party.",
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "default": "Address",
                  "enum": [
                    "Address"
                  ]
                },
                "streetAddress": {
                  "example": "210 Ocean Road",
                  "type": "string",
                  "description": "The street component of the address."
                },
                "addressLocality": {
                  "example": "Williamsburg",
                  "type": "string",
                  "description": "The city component of the address."
                },
                "addressRegion": {
                  "example": "VA",
                  "type": "string",
                  "description": "The state component of the address."
                },
                "postalCode": {
                  "example": "23185",
                  "type": "string",
                  "description": "Postal code."
                },
                "addressCountry": {
                  "example": "US",
                  "type": "string",
                  "description": "Country."
                }
              }
            }
          }
        },
        "documentaryCreditApplicantAgentBank": {
          "description": "Bank acting as agent for the documentary credit applicant.",
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "default": "Party",
              "enum": [
                "Party"
              ]
            },
            "id": {
              "example": "did:web:globaltradebank.example.com",
              "type": "string",
              "format": "uri",
              "description": "A unique party identifier."
            },
            "name": {
              "example": "Global Trade Finance Bank",
              "type": "string",
              "description": "Trade party name."
            },
            "postalAddress": {
              "description": "The postal address of the party.",
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "default": "Address",
                  "enum": [
                    "Address"
                  ]
                },
                "addressCountry": {
                  "example": "US",
                  "type": "string",
                  "description": "Country."
                }
              }
            }
          }
        },
        "documentaryCreditAvailableBank": {
          "description": "Bank with which the documentary credit is available (nominated or confirming bank).",
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "default": "Party",
              "enum": [
                "Party"
              ]
            },
            "id": {
              "example": "did:web:pacifictradebank.example.com",
              "type": "string",
              "format": "uri",
              "description": "A unique party identifier."
            },
            "name": {
              "example": "Pacific Trade Bank Ltd",
              "type": "string",
              "description": "Trade party name."
            },
            "postalAddress": {
              "description": "The postal address of the party.",
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "default": "Address",
                  "enum": [
                    "Address"
                  ]
                },
                "addressCountry": {
                  "example": "AU",
                  "type": "string",
                  "description": "Country."
                }
              }
            }
          }
        },
        "documentaryCreditBeneficiary": {
          "description": "Party in whose favour the documentary credit is issued (typically the seller/exporter).",
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "default": "Party",
              "enum": [
                "Party"
              ]
            },
            "id": {
              "example": "did:web:surfproexports.example.com",
              "type": "string",
              "format": "uri",
              "description": "A unique party identifier."
            },
            "name": {
              "example": "SurfPro Exports Pty Ltd",
              "type": "string",
              "description": "Trade party name."
            },
            "postalAddress": {
              "description": "The postal address of the party.",
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "default": "Address",
                  "enum": [
                    "Address"
                  ]
                },
                "streetAddress": {
                  "example": "12 Harbour Drive",
                  "type": "string",
                  "description": "The street component of the address."
                },
                "addressLocality": {
                  "example": "Sydney",
                  "type": "string",
                  "description": "The city component of the address."
                },
                "addressRegion": {
                  "example": "NSW",
                  "type": "string",
                  "description": "The state component of the address."
                },
                "postalCode": {
                  "example": "2000",
                  "type": "string",
                  "description": "Postal code."
                },
                "addressCountry": {
                  "example": "AU",
                  "type": "string",
                  "description": "Country."
                }
              }
            }
          }
        },
        "documentaryCreditDrawee": {
          "description": "Party on whom draft(s) drawn under the documentary credit are to be drawn.",
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "default": "Party",
              "enum": [
                "Party"
              ]
            },
            "id": {
              "example": "did:web:globaltradebank.example.com",
              "type": "string",
              "format": "uri",
              "description": "A unique party identifier."
            },
            "name": {
              "example": "Global Trade Finance Bank",
              "type": "string",
              "description": "Trade party name."
            },
            "postalAddress": {
              "description": "The postal address of the party.",
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "default": "Address",
                  "enum": [
                    "Address"
                  ]
                },
                "addressCountry": {
                  "example": "US",
                  "type": "string",
                  "description": "Country."
                }
              }
            }
          }
        },
        "documentaryCreditReimbursingBank": {
          "description": "Bank authorised to reimburse the nominated bank upon receipt of a complying claim.",
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "default": "Party",
              "enum": [
                "Party"
              ]
            },
            "id": {
              "example": "did:web:globalreimbursebank.example.com",
              "type": "string",
              "format": "uri",
              "description": "A unique party identifier."
            },
            "name": {
              "example": "Global Reimbursement Bank",
              "type": "string",
              "description": "Trade party name."
            },
            "postalAddress": {
              "description": "The postal address of the party.",
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "default": "Address",
                  "enum": [
                    "Address"
                  ]
                },
                "addressCountry": {
                  "example": "US",
                  "type": "string",
                  "description": "Country."
                }
              }
            }
          }
        },
        "documentaryCreditAmount": {
          "description": "Maximum amount available under the documentary credit.",
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "default": "MonetaryAmount",
              "enum": [
                "MonetaryAmount"
              ]
            },
            "amount": {
              "example": 45000,
              "type": "number",
              "format": "float",
              "description": "The credit amount."
            },
            "currency": {
              "example": "USD",
              "type": "string",
              "minLength": 3,
              "maxLength": 3,
              "description": "ISO 4217 three-letter currency code."
            }
          }
        },
        "originalLoadingLocation": {
          "description": "Port from which the goods are to be shipped under the documentary credit.",
          "type": "object",
          "properties": {
            "name": {
              "example": "Port of Sydney",
              "type": "string",
              "description": "Location name."
            },
            "addressLocality": {
              "example": "Sydney",
              "type": "string",
              "description": "City."
            },
            "addressCountry": {
              "example": "AU",
              "type": "string",
              "description": "Country."
            },
            "unLocode": {
              "example": "https://service.unece.org/trade/locode/au.htm#AUSYD",
              "type": "string",
              "format": "uri",
              "description": "UN/LOCODE identifier."
            }
          }
        },
        "portOfDischarge": {
          "description": "Port at which the goods are to be discharged.",
          "type": "object",
          "properties": {
            "name": {
              "example": "Port of Los Angeles",
              "type": "string",
              "description": "Location name."
            },
            "addressLocality": {
              "example": "Los Angeles",
              "type": "string",
              "description": "City."
            },
            "addressCountry": {
              "example": "US",
              "type": "string",
              "description": "Country."
            },
            "unLocode": {
              "example": "https://service.unece.org/trade/locode/us.htm#USLAX",
              "type": "string",
              "format": "uri",
              "description": "UN/LOCODE identifier."
            }
          }
        },
        "placeOfDelivery": {
          "description": "Final place to which the goods are to be delivered under the documentary credit.",
          "type": "object",
          "properties": {
            "name": {
              "example": "Wave Rider Supplies Warehouse",
              "type": "string",
              "description": "Location name."
            },
            "addressLocality": {
              "example": "Williamsburg",
              "type": "string",
              "description": "City."
            },
            "addressRegion": {
              "example": "VA",
              "type": "string",
              "description": "State."
            },
            "addressCountry": {
              "example": "US",
              "type": "string",
              "description": "Country."
            }
          }
        },
        "shipmentFrom": {
          "example": "Australia",
          "type": "string",
          "description": "Country or geographic area from which the goods must be dispatched."
        },
        "descriptionOfGoods": {
          "example": "Surfboards, fins and wetsuits for water sports retail",
          "type": "string",
          "description": "Plain language description of the goods covered by the documentary credit."
        }
      },
      "additionalProperties": true
    }
  },
  "additionalProperties": true
}