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 Conference Attendees / 签证类型
Tourist Visa ("L") • Recommended for Most Attendees
- No invitation letter required (simplest and most recommended).
- Validity: 30 days up to 10 years (based on nationality and consulate approval).
- Fees: 60-140 USD (varies by nationality and processing type).
- Tip: Multi-entry L visas (1-year / 5-year / 10-year) are available for eligible countries including the US, Canada, EU members, etc.
Business/Academic Visa ("M" / "F")
- Required for speakers with remuneration, paid academic services, or official institutional activities.
- An official invitation letter from the conference organizer may be required.
- Note: L visa is still preferred for general attendance without paid duties.
Other Visas • Not Recommended
- Student Visa ("X"): For long-term study only.
- Work Visa ("Z"): Requires full employment sponsorship.
2. Key Application Requirements / 申请材料
- Valid passport (minimum 6 months validity remaining).
- Completed visa application form and recent standard passport photo.
- Round-trip flight itinerary + hotel booking confirmation in Chengdu.
- Invitation letter: Only required for M/F visa applicants (available upon request).
- Health declaration: All COVID-19 testing and quarantine requirements have been lifted.
3. Where to Apply / 申请地点
- Local Chinese embassy or consulate in your country/region.
- Authorized visa agencies for assisted or remote submission.
- China eVisa Pilot: Online application available for selected countries and regions (check official updates).
4. Latest Policy Updates (2025-2026) / 最新政策
- Tourist L visas have fully resumed normal services with multi-entry options widely issued.
- Express processing (3-5 working days) available at most embassies for urgent applications.
- Long-term visas (5-10 years) remain valid for citizens of the US, Canada, UK, EU, and other reciprocal countries.
5. Important Tips / 重要提示
- Verify your visa type, duration of stay, and entry count (single / double / multiple).
- Hong Kong and Macau SARs maintain independent entry policies; a Chinese mainland visa is not required for stays only in HK/Macau.
- For the most up-to-date policies, contact your local Chinese embassy or official visa service platforms.
Invitation Letter ISAI 邀请信
Dear Participants,
To request an official invitation letter for the 7th International Symposium on Artificial Intelligence (ISAI 2027), please follow these guidelines:
1. Issuance of Invitation Letter / 邀请信的发放
- The invitation letter will be issued only after successful registration and payment.
- Requests must include:
- Full name (as printed on your passport)
- Passport number and nationality
- Affiliation (university/company) and mailing address
2. Passport Name Accuracy / 护照姓名准确性
- Your name on the invitation letter must match your passport exactly. Discrepancies may cause visa delays or denial.
- Minor errors (e.g., missing middle names) will require re-issuance with a processing fee.
3. Visa Application Disclaimer / 签证申请免责声明
- ISAI 2027 provides invitation letters solely to assist with visa applications.
- The conference cannot intervene in visa decisions made by embassies or Ministries of Foreign Affairs.
- No refunds will be issued if a visa is denied.
4. Timeline & Early Registration / 时间安排与提前注册
- Visa processing times vary by country. Register early to avoid delays.
- 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 2027!
ISAI 2027 Organizing Committee