As an author or co-author, an official letter-of-acceptance that confirms that your paper has been accepted and reaffirms the expectation that you will attend the Conference is available for download. The letter can be used for visa and travel support applications.
The download will be available for all authors whose papers have been accepted. The procedure for obtaining this letter is as follows:
Letters of invitation cannot be supplied for persons who are not authors or co-authors of an accepted paper. For additional information about visa and travel authorization, please visit the following website: https://travel.state.gov/content/travel/en/us-visas.html