Visa application tips 签证办理
To ensure a smooth process, apply for your visa as early as possible (at least 1–2 months before travel). Rules and processing times vary by country, so check your local Chinese embassy/consulate for specifics.
1. Visa Types for Attendees
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Tourist ("L") Visa (Recommended for most attendees):
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No invitation letter required (simplest option).
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Validity: 30 days to 10 years (depends on nationality, entry frequency, and embassy discretion).
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Cost: 60–
140 (varies by nationality/processing speed). -
Tip: Some consulates issue multi-entry L visas for frequent travelers (e.g., 1-year/10-year validity for eligible passports like the US).
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Business ("M"/"F") Visa:
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Required if attending paid work/academic activities (e.g., speaking for a fee).
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Invitation letter from a Chinese host (e.g., conference organizer) may be needed.
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Alternative: Apply for an L visa if your stay is short and unpaid.
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Other Visas (Less common for conferences):
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Student ("X") Visa: For long-term study programs.
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Work ("Z") Visa: Requires employer sponsorship and medical checks.
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2. Key Requirements
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Documents: Passport (6+ months validity), application form, photo, flight/hotel bookings.
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Invitation Letter (if applicable): Some consulates may request one for M/F visas—confirm with your embassy.
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Health Declarations: COVID-19 testing/quarantine rules have been lifted, but check for updates.
3. Where to Apply
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Chinese embassies/consulates in your home country.
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Visa agencies: Useful for remote applications (e.g., in Hong Kong/Macau for certain nationalities).
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eVisa Pilot: China is testing online applications for some visas (check eligibility here).
4. Recent Changes (2024–2025)
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Tourist visas (L) are widely available again, including multi-entry options.
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Faster processing: Some embassies offer express services (3–5 days) for urgent trips.
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10-year L visas: Still available for citizens of the US, Canada, and other eligible countries.
5. Pro Tips
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Double-check your visa duration/entries (e.g., a "single-entry" visa expires after one use).
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Hong Kong/Macau arrivals: These SARs have separate entry rules; a Chinese visa is not required if staying only in HK/Macau.
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For the latest info: Contact your local Chinese embassy or use VisaForChina.
INVITATION LETTER ISAI 邀请信
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Dear Participants,
To request an official invitation letter for the 6th International Symposium on Artificial Intelligence (ISAI 2026), please follow these guidelines:
1. Issuance of Invitation Letter
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The invitation letter will be issued only after successful registration and payment.
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Requests must include:
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Full name (as printed on your passport)
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Passport number and nationality
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Affiliation (university/company) and mailing address
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2. Passport Name Accuracy
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Your name on the invitation letter must match your passport exactly. Discrepancies may cause visa delays or denial.
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Minor errors (e.g., missing middle names) will require re-issuance with a processing fee.
3. Visa Application Disclaimer
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ISAI 2026 provides invitation letters solely to assist with visa applications.
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The conference cannot intervene in visa decisions made by embassies or Ministries of Foreign Affairs.
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No refunds will be issued if a visa is denied.
4. Timeline & Early Registration
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Visa processing times vary by country. Register early to avoid delays.
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Invitation letters are typically emailed within 5 business days after registration.
For assistance, contact: isai_conf@163.com
We look forward to your participation in ISAI 2026!
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ISAI 2026 Organizing Committee