Visa Invitation Letters

Travel to Hong Kong is Visa free for people from 170 countries. (See and expand “part II” to see the full list of countries / nationalities).

If you require an invitation letter for the purpose of obtaining a Visa to travel to RTSS 2019, please contact the Local Organizer Nan Guan (

In your email, please include the following information:

  • First and last name
  • Gender (male / female)
  • Date of birth (please use the format dd-MMM-yyyy, e.g. 01-Jan-1970 to avoid date/month confusion)
  • Passport number and country of issue
  • Affiliation (company or university name)
  • Mail address

For authors of conference papers, brief presentations, RTSS@Work demos, workshop papers, special session papers, and tutorials that have been accepted for presentation at RTSS 2019, please also include the number, title, and type of paper.

For conference TPC members, please also indicate that you served on the program committee.

For other participants, please register before requesting an invitation letter. The organizers cannot provide you with an invitation letter without prior registration.