U.S. Host Organization Applicants Application Process Interested sites are requested to notify JOI prior to submitting their applications -by early December, if at all possible. JOI prefers to conduct a site visit before applications are submitted in order to meet all of the parties involved with bringing the JOI coordinator to the site. Interested applicants, please email JOI before completing the application at JOI. Click here for an application: PDF file or MS word file to become a Host Organization. The application is in a pdf format and can be read using Acrobat Reader. This software can be downloaded free of charge from Adobe. Please click here to connect to Acrobat Reader and follow download instructions.