Visa Information

We provide visa support to the participants who require visa applications to attend the event (Note that non-Vietnamese participants may register for the online presentation). Please read the information below carefully and proceed with the letter of invitation request, if necessary. The conference organizers will issue a letter of invitation to whom registered successfully. When applying for a visa, the invitation letter must be submitted to the embassy.


 Letter of Invitation

We will provide you with a letter of invitation that clearly states the dates of the event, the organizer’s details, including contact information, and confirmation of your registration to attend the event at the event’s dates and location.

 Before You Submit a Request for The Letter of Invitation

Individuals requiring an official letter of invitation from the conference organizers can request one by contacting the ICTA2023 conference secretariat at

  • Make sure that you have registered to attend the event and completed your payment. Requests without proof of payment cannot be accommodated.
  • Check whether you require a visa to travel to the event’s host country.
  • Prepare your passport information to submit in the request.
  • Check that your passport is valid for at least three months after the date of departure.
  • In case you need any further support for the visa application, please contact