{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/ecfr/main/json-schema/correction.json",
  "title": "EcfrCorrection",
  "description": "An eCFR correction record representing an editorial or substantive correction applied to the Code of Federal Regulations.",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer",
      "description": "Unique identifier for this correction."
    },
    "cfr_references": {
      "type": "array",
      "description": "CFR references affected by this correction.",
      "items": {
        "type": "object",
        "properties": {
          "cfr_reference": {
            "type": "string",
            "description": "Human-readable CFR citation (e.g., '7 CFR 2.80')."
          },
          "hierarchy": {
            "type": "object",
            "description": "Structured hierarchy identifiers for the affected content.",
            "properties": {
              "title": { "type": "string" },
              "subtitle": { "type": "string" },
              "chapter": { "type": "string" },
              "subchapter": { "type": "string" },
              "part": { "type": "string" },
              "subpart": { "type": "string" },
              "section": { "type": "string" },
              "appendix": { "type": "string" }
            }
          }
        },
        "required": ["cfr_reference", "hierarchy"]
      }
    },
    "corrected_date": {
      "type": "string",
      "format": "date",
      "description": "Date on which the correction was made (YYYY-MM-DD)."
    },
    "error_corrected_date": {
      "type": "string",
      "format": "date",
      "description": "Date on which the error was corrected (YYYY-MM-DD)."
    },
    "error_occurred_date": {
      "type": "string",
      "format": "date",
      "description": "Date on which the error originally occurred (YYYY-MM-DD)."
    },
    "fr_citation": {
      "type": "string",
      "description": "Federal Register citation for the correction."
    },
    "position": {
      "type": "integer",
      "description": "Position order of the correction."
    },
    "display_in_toc": {
      "type": "boolean",
      "description": "Whether this correction should display in the table of contents."
    },
    "title": {
      "type": "integer",
      "description": "CFR title number affected by this correction."
    },
    "corrective_action": {
      "type": "string",
      "description": "Description of the corrective action taken."
    },
    "year": {
      "type": "integer",
      "description": "Year in which the correction was published."
    },
    "last_modified": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of last modification to this correction record."
    },
    "document_number": {
      "type": "string",
      "description": "Federal Register document number."
    }
  },
  "required": ["id", "cfr_references"]
}