{
  "schema_version": "1.0",
  "rule_code": "risk.invoice.duplicate_invoice",
  "name": "发票重复报销",
  "enabled": true,
  "risk_dimension": "duplicate_invoice",
  "ontology_signal": "duplicate_invoice",
  "evaluator": "duplicate_invoice",
  "applies_to": {
    "min_attachments": 1
  },
  "inputs": {
    "invoice_no": "attachment.invoice_no"
  },
  "params": {},
  "outcomes": {
    "pass": { "severity": "none", "action": "continue" },
    "fail": {
      "severity": "high",
      "action": "block"
    }
  },
  "metadata": {
    "owner": "风控与审计部",
    "stability": "platform_builtin",
    "source_ref": "常用risk.txt / 二、发票类 / 重复报销",
    "updated_at": "2026-05-19"
  }
}