{
  "id": "visa/canada-eta-validity",
  "signature": "AI tells a UK citizen they can use a Canadian eTA for multiple entries over 5 years, but that each stay resets the 6-month limit by a quick exit to the US",
  "signature_zh": "AI错误告知英国公民加拿大eTA可在5年内多次入境，但每次停留可通过快速前往美国重置6个月限制",
  "regex": "(eTA|Canada.*ETA).*(reset|renew|6 month|quick exit|flagpole|border run)",
  "domain": "visa",
  "category": "immigration_risk",
  "subcategory": null,
  "root_cause": "Canadian eTA allows multiple entries for up to 5 years or passport expiry, but each visit is limited to 6 months unless extended by an officer; a quick exit to the US does not reset the clock—CBSA officers assess cumulative stay and may deny re-entry if they suspect residence intent",
  "root_cause_type": "generic",
  "root_cause_zh": "加拿大eTA允许5年内或护照到期前多次入境，但每次访问限于6个月，除非官员批准延期；快速前往美国不会重置时间——CBSA官员会评估累计停留时间，若怀疑有居住意图可拒绝再次入境",
  "versions": [
    {
      "version": "IRCC 2025",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "eTA Program",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Immigration and Refugee Protection Act",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Flagpoling (leaving to US and returning) does not reset the 6-month period—CBSA may reduce the stay to days or deny entry if they see a pattern",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Assuming you can stay 6 months, leave for 1 day, and return for another 6 months—CBSA uses the 'totality of circumstances' test, including cumulative time in Canada",
      "fail_rate": 0.95,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Respect the 6-month limit per visit. If you need to stay longer, apply for a Visitor Record (extension) before your 6 months expire via IRCC online portal. Do not rely on border runs.",
      "success_rate": 0.7,
      "how": "Respect the 6-month limit per visit. If you need to stay longer, apply for a Visitor Record (extension) before your 6 months expire via IRCC online portal. Do not rely on border runs.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If you have a genuine need for longer stays, consider a Super Visa (for parents/grandparents of Canadian citizens) or a work/study permit for authorized activities.",
      "success_rate": 0.5,
      "how": "If you have a genuine need for longer stays, consider a Super Visa (for parents/grandparents of Canadian citizens) or a work/study permit for authorized activities.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Respect the 6-month limit per visit. If you need to stay longer, apply for a Visitor Record (extension) before your 6 months expire via IRCC online portal. Do not rely on border runs.",
    "If you have a genuine need for longer stays, consider a Super Visa (for parents/grandparents of Canadian citizens) or a work/study permit for authorized activities."
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.canada.ca/en/immigration-refugees-citizenship/services/visit-canada/eta.html",
  "official_doc_section": null,
  "error_code": "ETA-CUMULATIVE-6M",
  "verification_tier": "ai_generated",
  "confidence": 0.87,
  "fix_success_rate": 0.72,
  "resolvable": "true",
  "first_seen": "2024-01-10",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}