{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://opendgd.org/spec/v0.1/opendgd.schema.json",
  "title": "OpenDGD Declaration",
  "description": "OpenDGD v0.1 — an open, machine-readable format for a Dangerous Goods Declaration under the IMDG Code, structured to render the IMO/UN Multimodal Dangerous Goods Form (IMDG Code 5.4.5). A producer supplies structured line data; any conforming implementation renders the same box-14 goods description via the canonical rendering algorithm (see rendering.md).",
  "type": "object",
  "required": [
    "openDgdVersion",
    "documentType",
    "regulation",
    "consignment"
  ],
  "additionalProperties": false,
  "properties": {
    "openDgdVersion": {
      "type": "string",
      "description": "The OpenDGD spec version this document conforms to.",
      "const": "0.1"
    },
    "documentType": {
      "type": "string",
      "description": "The physical form this declaration is rendered onto. Only the IMO/UN multimodal form is defined in v0.1.",
      "enum": ["IMO_MULTIMODAL_DANGEROUS_GOODS_FORM"]
    },
    "documentReference": {
      "type": "string",
      "description": "The declaration's own unique reference, assigned by the producer.",
      "maxLength": 70
    },
    "issueDate": {
      "type": "string",
      "format": "date",
      "description": "Date the declaration was issued (ISO 8601, yyyy-mm-dd)."
    },
    "regulation": { "$ref": "#/$defs/regulation" },
    "consignment": { "$ref": "#/$defs/consignment" },
    "extensions": {
      "type": "object",
      "description": "Namespaced vendor/implementation extensions. Keys SHOULD be reverse-DNS (e.g. 'com.hazcheck.validationId'). Consumers MUST ignore unknown keys.",
      "additionalProperties": true
    }
  },

  "$defs": {

    "regulation": {
      "type": "object",
      "description": "The regulatory basis for the declaration. v0.1 covers the IMDG Code (sea). The shape is deliberately extensible to ADR/RID/49 CFR/IATA in later versions.",
      "required": ["code", "edition"],
      "additionalProperties": false,
      "properties": {
        "code": {
          "type": "string",
          "enum": ["IMDG"],
          "description": "Regulatory code. v0.1 is IMDG-only."
        },
        "edition": {
          "type": "string",
          "description": "The IMDG amendment applied, e.g. '42-24' or '41-22'.",
          "examples": ["42-24", "41-22"]
        }
      }
    },

    "consignment": {
      "type": "object",
      "description": "The whole shipment: the parties, transport itinerary, the cargo transport unit, and the dangerous (and any non-dangerous) goods it carries.",
      "required": ["parties", "cargoTransportUnit", "dangerousGoods"],
      "additionalProperties": false,
      "properties": {
        "parties": { "$ref": "#/$defs/parties" },
        "references": { "$ref": "#/$defs/references" },
        "transport": { "$ref": "#/$defs/transport" },
        "cargoTransportUnit": { "$ref": "#/$defs/cargoTransportUnit" },
        "dangerousGoods": {
          "type": "array",
          "description": "The dangerous goods line items (box 14). At least one is required for a dangerous goods declaration.",
          "minItems": 1,
          "items": { "$ref": "#/$defs/dangerousGoodsItem" }
        },
        "nonDangerousGoods": {
          "type": "array",
          "description": "Optional non-dangerous goods lines carried in the same CTU.",
          "items": { "$ref": "#/$defs/nonDangerousGoodsItem" }
        },
        "additionalHandlingInformation": {
          "type": "string",
          "description": "Free-text notes from the shipper to the carrier(s) (e.g. emergency response instructions, CAA references).",
          "maxLength": 4000
        },
        "additionalCargoNotes": {
          "type": "string",
          "description": "Additional notes appended to the end of the goods section (box 14).",
          "maxLength": 4000
        },
        "certificates": { "$ref": "#/$defs/certificates" }
      }
    },

    "parties": {
      "type": "object",
      "description": "The commercial and transport parties. Shipper/consignor is mandatory.",
      "required": ["shipper"],
      "additionalProperties": false,
      "properties": {
        "shipper": {
          "allOf": [{ "$ref": "#/$defs/party" }],
          "description": "The consignor preparing the declaration (box 1)."
        },
        "consignee": {
          "allOf": [{ "$ref": "#/$defs/party" }],
          "description": "The party receiving the cargo (box 2)."
        },
        "carrier": {
          "allOf": [{ "$ref": "#/$defs/party" }],
          "description": "The party (or parties) transporting the cargo."
        },
        "freightForwarder": { "$ref": "#/$defs/party" },
        "notifyParty": { "$ref": "#/$defs/party" }
      }
    },

    "party": {
      "type": "object",
      "description": "A named organisation with an address and, optionally, a 24-hour emergency contact.",
      "additionalProperties": false,
      "properties": {
        "name": { "type": "string", "maxLength": 200 },
        "address": {
          "type": "string",
          "description": "Full postal address as a single string, newlines permitted. A structured address MAY be supplied additionally under 'structuredAddress'.",
          "maxLength": 1000
        },
        "structuredAddress": { "$ref": "#/$defs/structuredAddress" },
        "contact": { "$ref": "#/$defs/contact" },
        "emergencyContact": {
          "allOf": [{ "$ref": "#/$defs/contact" }],
          "description": "24-hour emergency contact for this party, where applicable."
        }
      }
    },

    "structuredAddress": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "line1": { "type": "string", "maxLength": 200 },
        "line2": { "type": "string", "maxLength": 200 },
        "city": { "type": "string", "maxLength": 100 },
        "region": { "type": "string", "maxLength": 100 },
        "postalCode": { "type": "string", "maxLength": 20 },
        "countryCode": {
          "type": "string",
          "description": "ISO 3166-1 alpha-2 country code.",
          "pattern": "^[A-Z]{2}$"
        }
      }
    },

    "contact": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "name": { "type": "string", "maxLength": 200 },
        "telephone": { "type": "string", "maxLength": 50 },
        "email": { "type": "string", "format": "email", "maxLength": 200 }
      }
    },

    "references": {
      "type": "object",
      "description": "Commercial and transport document references (boxes 7–8).",
      "additionalProperties": false,
      "properties": {
        "transportDocumentNumber": {
          "type": "string",
          "description": "Bill of lading / transport document number.",
          "maxLength": 70
        },
        "shippersReference": { "type": "string", "maxLength": 70 },
        "freightForwardersReference": { "type": "string", "maxLength": 70 }
      }
    },

    "transport": {
      "type": "object",
      "description": "The transport itinerary (boxes 9–13). v0.1 assumes a sea leg.",
      "additionalProperties": false,
      "properties": {
        "modeOfTransport": {
          "type": "string",
          "enum": ["sea"],
          "default": "sea",
          "description": "v0.1 is sea-only; enum is reserved for future multimodal editions."
        },
        "shipType": {
          "type": "string",
          "enum": ["cargo", "passenger"],
          "default": "cargo",
          "description": "Whether the sea leg is a cargo or passenger ship. Affects stowage requirements applied by validators."
        },
        "vessel": { "type": "string", "maxLength": 200, "description": "Vessel name (box 11)." },
        "voyageNumber": { "type": "string", "maxLength": 70, "description": "Voyage number (box 10)." },
        "sailingDate": {
          "type": "string",
          "format": "date",
          "description": "Sailing date, ISO 8601 yyyy-mm-dd (box 12)."
        },
        "placeOfReceipt": { "type": "string", "maxLength": 200 },
        "portOfLoading": { "type": "string", "maxLength": 200, "description": "Place/port of loading (box 11)." },
        "portOfDischarge": { "type": "string", "maxLength": 200, "description": "Place/port of discharge (box 12)." },
        "destination": { "type": "string", "maxLength": 200, "description": "Final destination / place of delivery (box 13)." }
      }
    },

    "cargoTransportUnit": {
      "type": "object",
      "description": "The container, vehicle or tank carrying the goods (boxes 15–19).",
      "additionalProperties": false,
      "properties": {
        "unitType": {
          "type": "string",
          "enum": ["container", "vehicle", "tank", "reefer", "heated", "bulk", "open", "other"],
          "default": "container"
        },
        "tankType": {
          "type": "string",
          "maxLength": 100,
          "description": "Tank/portable-tank instruction or type where the unit is a tank (e.g. 'T11')."
        },
        "temperatureControl": { "$ref": "#/$defs/ctuTemperatureControl" },
        "volumeM3": {
          "type": "number",
          "minimum": 0,
          "description": "Internal volume of the CTU in cubic metres, where declared."
        },
        "identificationNumber": {
          "type": "string",
          "description": "Container identification number or vehicle registration number (box 15).",
          "maxLength": 70
        },
        "sealNumbers": { "type": "string", "maxLength": 200, "description": "Seal number(s) (box 16)." },
        "sizeType": {
          "type": "string",
          "description": "Container/vehicle size & type — an ISO 6346 size-type code or its description, e.g. '22G1' or \"40' GP\" (box 17).",
          "maxLength": 100
        },
        "tareMassKg": {
          "type": "number",
          "minimum": 0,
          "description": "Tare mass of the CTU in kilograms (box 18)."
        },
        "totalGrossMassKg": {
          "type": "number",
          "minimum": 0,
          "description": "Total gross mass including tare, in kilograms (box 19). If omitted, an implementation MAY compute it as the sum of all line gross masses plus tareMassKg."
        }
      }
    },

    "dangerousGoodsItem": {
      "type": "object",
      "description": "A single dangerous goods line (box 14). Producers supply structured data; the canonical rendering algorithm composes the goods-description text. A pre-rendered 'descriptionOverride' MAY be supplied when the producer already holds the exact wording.",
      "required": ["unNumber", "properShippingName", "class"],
      "additionalProperties": false,
      "properties": {
        "lineReference": {
          "type": "string",
          "description": "Producer's reference for this line, echoed back on validation results.",
          "maxLength": 70
        },
        "unNumber": {
          "type": "string",
          "description": "UN number (four digits) or, for a domestic North American entry, an NA number.",
          "pattern": "^(UN|NA)?\\s?\\d{4}$",
          "examples": ["1090", "UN1090", "NA1993"]
        },
        "properShippingName": {
          "type": "string",
          "description": "The Proper Shipping Name (PSN) exactly as listed in the Dangerous Goods List, without qualifiers (WASTE, HOT, EMPTY UNCLEANED etc. are supplied under 'qualifiers').",
          "maxLength": 500
        },
        "technicalName": {
          "type": "string",
          "description": "Technical or chemical name, required for N.O.S. and generic entries; rendered in parentheses after the PSN.",
          "maxLength": 500
        },
        "class": {
          "type": "array",
          "description": "Hazard class(es). Index 0 is the primary class/division; further entries are subsidiary hazards. Values are IMDG class strings, e.g. ['3'], ['4.1','5.1'], ['1.4','S'].",
          "minItems": 1,
          "items": {
            "type": "string",
            "pattern": "^([1-9](\\.[0-9][A-S]?)?|S)$"
          },
          "examples": [["3"], ["8", "6.1"], ["1.4", "S"]]
        },
        "packingGroup": {
          "type": ["string", "null"],
          "enum": ["I", "II", "III", null],
          "description": "Packing group, or null/absent where none is assigned."
        },
        "marks": {
          "type": "string",
          "description": "Shipping marks (box 14, first line).",
          "maxLength": 500
        },
        "packaging": { "$ref": "#/$defs/packaging" },
        "weights": { "$ref": "#/$defs/weights" },
        "cubeM3": {
          "type": "number",
          "minimum": 0,
          "description": "Volume of the line in cubic metres (box 14, cube column)."
        },
        "marinePollutant": {
          "type": "boolean",
          "default": false,
          "description": "Whether the goods are declared a marine pollutant. When true and required, 'marinePollutantChemicalName' identifies the pollutant."
        },
        "marinePollutantChemicalName": {
          "type": "string",
          "maxLength": 500,
          "description": "The component(s) that make the goods a marine pollutant, where the PSN does not itself identify them."
        },
        "flashpoint": { "$ref": "#/$defs/flashpoint" },
        "temperatureControl": { "$ref": "#/$defs/temperatureControl" },
        "emergencySchedule": { "$ref": "#/$defs/emergencySchedule" },
        "segregationGroups": {
          "type": "array",
          "description": "IMDG segregation group codes declared for the substance (e.g. 'SGG1').",
          "items": { "type": "string", "maxLength": 20 }
        },
        "qualifiers": { "$ref": "#/$defs/qualifiers" },
        "radioactive": { "$ref": "#/$defs/radioactive" },
        "fumigation": { "$ref": "#/$defs/fumigation" },
        "carbonOfOrganicOrigin": { "$ref": "#/$defs/carbonOfOrganicOrigin" },
        "fireworkClassificationCode": {
          "type": "string",
          "maxLength": 70,
          "description": "Competent-authority firework classification reference, where required for Class 1 fireworks."
        },
        "endOfHoldingTime": {
          "type": "string",
          "format": "date",
          "description": "End of holding time (e.g. UN 3538 and T75-controlled substances), ISO 8601 yyyy-mm-dd."
        },
        "competentAuthorityApproval": {
          "type": "string",
          "maxLength": 200,
          "description": "Competent authority (DSIT) approval reference for packaging approvals, e.g. for self-reactive substances and organic peroxides. Rendered as 'Packaging approved by the competent authority of …'."
        },
        "packagingApprovalReference": {
          "type": "string",
          "maxLength": 200,
          "description": "Item/packaging approval reference (rendered as 'Approval Ref: …')."
        },
        "specialProvisionNotes": {
          "type": "array",
          "description": "Special-provision statements required on the declaration, e.g. 'Transport in accordance with special provision 376'. Producers MAY supply the SP number and let the renderer expand it, or the full text.",
          "items": { "type": "string", "maxLength": 300 }
        },
        "variantDescription": {
          "type": "string",
          "maxLength": 500,
          "description": "The Dangerous Goods List variant description for the entry, where the substance has multiple variants under one UN number."
        },
        "packingMethod": {
          "type": "string",
          "maxLength": 100,
          "description": "Packing method / mixed-packing arrangement reference, where declared."
        },
        "permits": {
          "type": "array",
          "description": "Competent-authority approvals and permits applying to this line (packaging approvals, special arrangements, etc.).",
          "items": { "$ref": "#/$defs/permit" }
        },
        "emergencyContact": {
          "allOf": [{ "$ref": "#/$defs/contact" }],
          "description": "Per-line 24-hour emergency contact, where different from the party-level contact."
        },
        "additionalInformation": {
          "type": "string",
          "maxLength": 2000,
          "description": "Free-text additional information appended to this line's description."
        },
        "descriptionOverride": {
          "type": "string",
          "maxLength": 4000,
          "description": "A fully pre-rendered goods description for box 14. When present, conforming renderers MUST use it verbatim instead of composing text from the structured fields. Use only when you already hold authoritative wording."
        }
      }
    },

    "packaging": {
      "type": "object",
      "description": "Number and kind of packages for the line.",
      "additionalProperties": false,
      "properties": {
        "numberOfPackages": {
          "type": "integer",
          "minimum": 0,
          "description": "Count of outer packages."
        },
        "kindOfPackages": {
          "type": "string",
          "maxLength": 200,
          "description": "Plain description of the outer package kind, e.g. 'Steel drums'."
        },
        "outerPackagingCode": {
          "type": "string",
          "maxLength": 20,
          "description": "IMDG packaging code for the outer packaging, e.g. '1A1', '4G'."
        },
        "innerPackagingCode": {
          "type": "string",
          "maxLength": 20,
          "description": "IMDG packaging code for the inner packaging where relevant."
        },
        "numberOfInnerPackages": {
          "type": "integer",
          "minimum": 0,
          "description": "Count of inner packages, where declared."
        },
        "intermediatePackagingCode": {
          "type": "string",
          "maxLength": 20,
          "description": "IMDG packaging code for an intermediate packaging, where present."
        },
        "type": {
          "type": "string",
          "enum": ["package", "ibc", "largePackaging", "tank", "bulk", "pressureReceptacle", "other"],
          "description": "The kind of packaging arrangement, where it is not an ordinary package (IBC, large packaging, tank, bulk, pressure receptacle)."
        }
      }
    },

    "weights": {
      "type": "object",
      "description": "Mass and capacity figures for the line. All masses in kilograms, capacity in litres.",
      "additionalProperties": false,
      "properties": {
        "grossMassKg": { "type": "number", "minimum": 0, "description": "Gross mass of the line (box 14, gross mass column)." },
        "netMassKg": { "type": "number", "minimum": 0, "description": "Net mass of the dangerous substance (box 14, net mass column)." },
        "netExplosiveContentKg": { "type": "number", "minimum": 0, "description": "Net explosive content (NEC), required for Class 1." },
        "capacityLitres": { "type": "number", "minimum": 0, "description": "Total capacity in litres, an alternative to net mass for liquids/gases." },
        "actualDangerousGoodsMassKg": { "type": "number", "minimum": 0, "description": "Actual mass of dangerous goods, where different from net mass." }
      }
    },

    "flashpoint": {
      "type": "object",
      "description": "Flashpoint of the substance, required for flammable liquids.",
      "required": ["valueCelsius"],
      "additionalProperties": false,
      "properties": {
        "valueCelsius": { "type": "number", "description": "Flashpoint in degrees Celsius." },
        "cup": {
          "type": "string",
          "enum": ["closed", "open"],
          "default": "closed",
          "description": "Cup method: rendered as 'c.c.' (closed cup) or 'o.c.' (open cup)."
        }
      }
    },

    "temperatureControl": {
      "type": "object",
      "description": "Control and emergency temperatures for self-reactive substances and organic peroxides.",
      "additionalProperties": false,
      "properties": {
        "controlTemperatureCelsius": { "type": "number" },
        "emergencyTemperatureCelsius": { "type": "number" }
      }
    },

    "emergencySchedule": {
      "type": "object",
      "description": "IMDG EmS (Emergency Schedule) fire and spillage codes.",
      "additionalProperties": false,
      "properties": {
        "fire": { "type": "string", "pattern": "^F-[A-Z]$", "examples": ["F-E"] },
        "spillage": { "type": "string", "pattern": "^S-[A-Z]$", "examples": ["S-D"] }
      }
    },

    "permit": {
      "type": "object",
      "description": "A competent-authority approval or permit reference.",
      "additionalProperties": false,
      "properties": {
        "type": { "type": "string", "maxLength": 100, "description": "Kind of approval, e.g. 'competent-authority', 'packaging-approval', 'special-arrangement'." },
        "value": { "type": "string", "maxLength": 200, "description": "The approval/permit reference or identifier." }
      }
    },

    "ctuTemperatureControl": {
      "type": "object",
      "description": "Temperature control applied to the whole CTU (e.g. a reefer).",
      "additionalProperties": false,
      "properties": {
        "controlTemperatureCelsius": { "type": "number", "description": "Set/control temperature of the unit." },
        "operational": { "type": "boolean", "description": "Whether the unit's temperature control is operational in transit." }
      }
    },

    "qualifiers": {
      "type": "object",
      "description": "Declaration qualifiers that modify how the goods are described (rendered as prefixes/suffixes around the PSN and class per the rendering algorithm). All default to false.",
      "additionalProperties": false,
      "properties": {
        "isWaste": { "type": "boolean", "default": false },
        "isHot": { "type": "boolean", "default": false },
        "isSample": { "type": "boolean", "default": false },
        "isStabilized": { "type": "boolean", "default": false },
        "isMolten": { "type": "boolean", "default": false },
        "isSolution": { "type": "boolean", "default": false },
        "isMixture": { "type": "boolean", "default": false },
        "isEmptyUncleaned": { "type": "boolean", "default": false },
        "isSalvagePackage": { "type": "boolean", "default": false },
        "isSalvagePressureReceptacle": { "type": "boolean", "default": false },
        "isLimitedQuantity": { "type": "boolean", "default": false },
        "isExceptedQuantity": { "type": "boolean", "default": false },
        "isReportableQuantity": { "type": "boolean", "default": false, "description": "US RQ (reportable quantity), rendered 'RQ'." },
        "isCoolant": { "type": "boolean", "default": false },
        "isConditioner": { "type": "boolean", "default": false },
        "isFoodstuffs": { "type": "boolean", "default": false, "description": "Goods are foodstuffs/feed, for segregation-away-from purposes." },
        "isWettedOrDesensitized": { "type": "boolean", "default": false, "description": "Explosive or Class 4 substance carried wetted or desensitized." },
        "isStabilizedNotByTemperatureControl": { "type": "boolean", "default": false, "description": "Substance is chemically stabilized rather than temperature-controlled; affects whether control/emergency temperatures apply." }
      }
    },

    "radioactive": {
      "type": "object",
      "description": "Radioactive material details (Class 7), per IMDG Code 5.4.1.5.7. All fields are optional at the schema level; which apply depends on the substance and package.",
      "additionalProperties": false,
      "properties": {
        "radionuclide": { "type": "string", "maxLength": 200, "description": "Name or symbol of each radionuclide (the radioactive technical name)." },
        "description": { "type": "string", "maxLength": 500, "description": "Description of the physical and chemical form of the material, or a statement that it is special form or low dispersible material." },
        "physicalChemicalForm": { "type": "string", "maxLength": 200, "description": "Physical and chemical form, where declared separately from 'description'." },
        "activity": { "type": "string", "maxLength": 100, "description": "Activity (or, for fissile material, mass of fissile nuclides) with unit, e.g. '3.7 GBq'." },
        "category": {
          "type": "string",
          "enum": ["I-WHITE", "II-YELLOW", "III-YELLOW"],
          "description": "Package/overpack category."
        },
        "transportIndex": { "type": "number", "minimum": 0, "description": "Transport Index (TI)." },
        "criticalitySafetyIndex": { "type": "number", "minimum": 0, "description": "Criticality Safety Index (CSI), for fissile material." },
        "isFissile": { "type": "boolean", "default": false, "description": "Whether the material is fissile." },
        "isFissileExcepted": { "type": "boolean", "default": false, "description": "Whether the material is fissile-excepted under 2.7.2.3.5." },
        "specialForm": { "type": "boolean", "default": false, "description": "Whether the material is special-form radioactive material." },
        "lowDispersible": { "type": "boolean", "default": false, "description": "Whether the material is low dispersible radioactive material." },
        "packageType": {
          "type": "string",
          "enum": ["excepted", "IP-1", "IP-2", "IP-3", "A", "B(U)", "B(M)", "C"],
          "description": "Package type/identification (excepted, industrial IP-1/2/3, Type A, B(U), B(M) or C)."
        },
        "overpack": { "type": "boolean", "default": false, "description": "Whether the material is carried in an overpack." },
        "competentAuthorityReferences": {
          "type": "array",
          "description": "Identification mark(s) for each competent-authority approval certificate (design, special form, special arrangement, shipment) applicable to the consignment.",
          "items": { "type": "string", "maxLength": 100 }
        }
      }
    },

    "fumigation": {
      "type": "object",
      "description": "Fumigated cargo transport unit details (UN 3359).",
      "additionalProperties": false,
      "properties": {
        "fumigantName": { "type": "string", "maxLength": 200 },
        "fumigationDateTime": { "type": "string", "format": "date-time", "description": "Date and time of fumigation (ISO 8601)." },
        "dosage": { "type": "string", "maxLength": 100 }
      }
    },

    "carbonOfOrganicOrigin": {
      "type": "object",
      "description": "Declaration details for carbon of organic origin (e.g. UN 1361 / 3088 self-heating).",
      "additionalProperties": false,
      "properties": {
        "dateOfProduction": { "type": "string", "format": "date" },
        "dateOfPacking": { "type": "string", "format": "date" },
        "temperatureOnDateOfPackingCelsius": { "type": "number" }
      }
    },

    "nonDangerousGoodsItem": {
      "type": "object",
      "description": "A non-dangerous goods line carried in the same CTU.",
      "required": ["description"],
      "additionalProperties": false,
      "properties": {
        "description": { "type": "string", "maxLength": 2000 },
        "grossMassKg": { "type": "number", "minimum": 0 },
        "netMassKg": { "type": "number", "minimum": 0 },
        "cubeM3": { "type": "number", "minimum": 0 }
      }
    },

    "certificates": {
      "type": "object",
      "description": "The signatory blocks of the form (boxes 20–22 plus the haulier block).",
      "additionalProperties": false,
      "properties": {
        "shipperDeclaration": {
          "allOf": [{ "$ref": "#/$defs/signatureBlock" }],
          "description": "Box 22 — the shipper/consignor declaration. The declarant certifies the goods are fully and accurately described, classified, packed, marked, labelled and in proper condition for carriage."
        },
        "containerPackingCertificate": {
          "allOf": [{ "$ref": "#/$defs/signatureBlock" }],
          "description": "Box 20 — the container/vehicle packing certificate, signed by the party responsible for packing the CTU."
        },
        "receivingOrganisationReceipt": {
          "type": "object",
          "additionalProperties": false,
          "description": "Box 21 — receiving organisation receipt and remarks.",
          "properties": {
            "remarks": { "type": "string", "maxLength": 1000 },
            "signature": { "type": "string", "maxLength": 200 }
          }
        },
        "haulier": {
          "type": "object",
          "additionalProperties": false,
          "description": "Haulier block — the party moving the CTU out of the depot.",
          "properties": {
            "name": { "type": "string", "maxLength": 200 },
            "vehicleRegistration": { "type": "string", "maxLength": 50 },
            "signatureAndDate": { "type": "string", "maxLength": 200 },
            "driversSignature": { "type": "string", "maxLength": 200 }
          }
        }
      }
    },

    "signatureBlock": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "companyName": { "type": "string", "maxLength": 200 },
        "declarantName": { "type": "string", "maxLength": 200, "description": "Name/status of the declarant." },
        "placeAndDate": { "type": "string", "maxLength": 200 },
        "signature": {
          "type": "string",
          "maxLength": 200,
          "description": "Declarant signature. For EDI/print transmission this SHOULD be upper case."
        }
      }
    }
  }
}