{
  "id": "visa/uk-ancestry-visa-commonwealth",
  "signature": "AI tells a Commonwealth citizen (e.g., Canadian, Australian) they can apply for a UK Ancestry visa if they have a grandparent born in the UK, but fails to specify that the applicant must be a Commonwealth citizen aged 17-30, and that the grandparent must have been born in the UK (not just a UK citizen)",
  "signature_zh": "AI告诉英联邦公民（如加拿大、澳大利亚）如果祖父母在英国出生，可以申请英国血统签证，但未说明申请人必须是17-30岁的英联邦公民，且祖父母必须是在英国出生（不仅仅是英国公民）",
  "regex": "UK\\s*Ancestry\\s*visa|ancestry\\s*visa\\s*UK|血统签证\\s*英国",
  "domain": "visa",
  "category": "regulatory_barrier",
  "subcategory": null,
  "root_cause": "UK Ancestry visa (Appendix Ancestry) requires the applicant to be a Commonwealth citizen, aged 17-30 at time of application, and have a grandparent born in the UK (not just a UK citizen by naturalization or descent); the grandparent's birth certificate is mandatory evidence",
  "root_cause_type": "generic",
  "root_cause_zh": "英国血统签证（附录血统）要求申请人必须是英联邦公民，申请时年龄17-30岁，且祖父母在英国出生（不仅是英国公民）；必须提供祖父母的出生证明作为证据",
  "versions": [
    {
      "version": "Immigration Rules Appendix Ancestry (2024)",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "UKVI Caseworker Guidance - Ancestry",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "The rules specify grandparent only; great-grandparent does not meet the requirement",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "The grandparent must have been born in the UK, not just a UK citizen; birth certificate must show UK place of birth",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "The 17-30 age requirement is strict; no discretion exists for older applicants",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Obtain the grandparent's full birth certificate from the UK General Register Office (GRO): https://www.gov.uk/general-register-office. Order a certified copy if original is lost.",
      "success_rate": 0.9,
      "how": "Obtain the grandparent's full birth certificate from the UK General Register Office (GRO): https://www.gov.uk/general-register-office. Order a certified copy if original is lost.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If over 30, consider the UK Skilled Worker visa (Health and Care visa for medical professionals) or Global Talent visa instead of Ancestry.",
      "success_rate": 0.75,
      "how": "If over 30, consider the UK Skilled Worker visa (Health and Care visa for medical professionals) or Global Talent visa instead of Ancestry.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If not a Commonwealth citizen (e.g., US citizen), no Ancestry visa is available; explore other routes like Youth Mobility Scheme (if age-eligible) or Skilled Worker.",
      "success_rate": 0.7,
      "how": "If not a Commonwealth citizen (e.g., US citizen), no Ancestry visa is available; explore other routes like Youth Mobility Scheme (if age-eligible) or Skilled Worker.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Obtain the grandparent's full birth certificate from the UK General Register Office (GRO): https://www.gov.uk/general-register-office. Order a certified copy if original is lost.",
    "If over 30, consider the UK Skilled Worker visa (Health and Care visa for medical professionals) or Global Talent visa instead of Ancestry.",
    "If not a Commonwealth citizen (e.g., US citizen), no Ancestry visa is available; explore other routes like Youth Mobility Scheme (if age-eligible) or Skilled Worker."
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.gov.uk/ancestry-visa",
  "official_doc_section": null,
  "error_code": "UK_ANCESTRY_AGE_GRANDPARENT",
  "verification_tier": "ai_generated",
  "confidence": 0.88,
  "fix_success_rate": 0.82,
  "resolvable": "partial",
  "first_seen": "2024-06-10",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}