{
  "id": "visa/uk-eta-multiple-entry-reset",
  "signature": "AI tells a US/UK citizen that leaving the UK for a day trip to France resets their 6-month ETA stay limit",
  "signature_zh": "AI告诉美国/英国公民，离开英国前往法国一日游即可重置其ETA 6个月停留期限",
  "regex": "(?:UK|United\\s+Kingdom)\\s+ETA\\s+(?:reset|renew|restart|6\\s*month)",
  "domain": "visa",
  "category": "config_error",
  "subcategory": null,
  "root_cause": "The UK ETA grants a maximum stay of 6 months per visit, but the rolling 180-day clock does not reset on a short trip outside the UK; the cumulative stay within any 180-day window is capped at 6 months, and re-entry does not reset the count.",
  "root_cause_type": "generic",
  "root_cause_zh": "英国ETA每次访问最多停留6个月，但滚动180天窗口不会因短暂离开英国而重置；任何180天窗口内的累计停留时间上限为6个月，重新入境不会重置计数。",
  "versions": [
    {
      "version": "UK Electronic Travel Authorisation (ETA) scheme 2025",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "UK Immigration Rules Appendix V",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Taking a day trip to Calais, France, then returning to the UK the same day, assuming the stay clock resets",
      "why_fails": "The 6-month limit is calculated over a rolling 180-day window; a brief exit does not reset the window—border officers will count all days present in the UK in the preceding 180 days.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "Applying for a new ETA after a short exit, believing it grants a fresh 6-month stay",
      "why_fails": "A new ETA does not override the rolling 180-day rule; the immigration officer enforces the cumulative limit regardless of how many ETAs you hold.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Plan your UK stay so that total days in the UK within any 180-day window do not exceed 180 days. Use a calendar tool to track your entries and exits.",
      "success_rate": 0.9,
      "how": "Plan your UK stay so that total days in the UK within any 180-day window do not exceed 180 days. Use a calendar tool to track your entries and exits.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If you need a longer stay, apply for a UK Standard Visitor visa (valid up to 6 months per visit, but also subject to 180-day rule) or a long-term visit visa (2, 5, or 10 years) with a maximum stay of 6 months per visit.",
      "success_rate": 0.85,
      "how": "If you need a longer stay, apply for a UK Standard Visitor visa (valid up to 6 months per visit, but also subject to 180-day rule) or a long-term visit visa (2, 5, or 10 years) with a maximum stay of 6 months per visit.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Plan your UK stay so that total days in the UK within any 180-day window do not exceed 180 days. Use a calendar tool to track your entries and exits.",
    "If you need a longer stay, apply for a UK Standard Visitor visa (valid up to 6 months per visit, but also subject to 180-day rule) or a long-term visit visa (2, 5, or 10 years) with a maximum stay of 6 months per visit."
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.gov.uk/guidance/check-if-you-need-an-electronic-travel-authorisation-eta",
  "official_doc_section": null,
  "error_code": "UK-ETA-RESET-001",
  "verification_tier": "ai_generated",
  "confidence": 0.87,
  "fix_success_rate": 0.82,
  "resolvable": "true",
  "first_seen": "2025-01-10",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}