{
  "id": "banking/us-ach-same-day-return-limit",
  "signature": "AI tells a US small business that ACH same-day returns are free and unlimited, ignoring NACHA's per-entry fee and daily return caps",
  "signature_zh": "AI告诉美国小企业ACH当日退回免费且无限制，忽略NACHA的每笔费用和每日退回上限",
  "regex": "R01|R02|R03|same.day.*return.*fee|NACHA.*limit.*return",
  "domain": "banking",
  "category": "resource_error",
  "subcategory": null,
  "root_cause": "NACHA Operating Rules impose a $4.50 per-entry fee for same-day ACH returns and a daily limit of 15,000 same-day return entries per ODFI, to manage liquidity risk.",
  "root_cause_type": "generic",
  "root_cause_zh": "NACHA运营规则对当日ACH退回收取每笔4.50美元费用，并限制每ODFI每日最多15,000笔当日退回，以管理流动性风险。",
  "versions": [
    {
      "version": "NACHA Operating Rules 2024",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "FedACH 2024",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "NACHA Same-Day ACH 2024",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Each same-day return costs $4.50; high volume can exceed the daily cap (15,000), causing rejections and penalties.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Standard returns have no per-entry fee but still follow NACHA return rules; confusing the two leads to incorrect cost projections.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Each return is a separate entry; batching does not reduce the number of entries or fees.",
      "fail_rate": 0.95,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Configure your ACH origination software to split returns: send standard returns for non-urgent items and same-day returns only for critical ones; monitor daily count against the 15,000 limit.",
      "success_rate": 0.9,
      "how": "Configure your ACH origination software to split returns: send standard returns for non-urgent items and same-day returns only for critical ones; monitor daily count against the 15,000 limit.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Implement a cost-benefit check: if the return amount is less than $4.50, use standard return instead of same-day to avoid loss.",
      "success_rate": 0.85,
      "how": "Implement a cost-benefit check: if the return amount is less than $4.50, use standard return instead of same-day to avoid loss.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use the Nacha Risk Management Portal to pre-verify account status before origination, reducing return rates.",
      "success_rate": 0.75,
      "how": "Use the Nacha Risk Management Portal to pre-verify account status before origination, reducing return rates.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Configure your ACH origination software to split returns: send standard returns for non-urgent items and same-day returns only for critical ones; monitor daily count against the 15,000 limit.",
    "Implement a cost-benefit check: if the return amount is less than $4.50, use standard return instead of same-day to avoid loss.",
    "Use the Nacha Risk Management Portal to pre-verify account status before origination, reducing return rates."
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.nacha.org/content/same-day-ach",
  "official_doc_section": null,
  "error_code": "R01 - Insufficient Funds (return code) with same-day flag",
  "verification_tier": "ai_generated",
  "confidence": 0.88,
  "fix_success_rate": 0.85,
  "resolvable": "true",
  "first_seen": "2024-06-01",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}