Grassmudhorse Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts February 17, 2017 at 3:15 pm in reply to: Can I receive an F visa by volunteering? #52170 GrassmudhorseParticipant My understanding is that M visa is given to employees and businessmen, and F visas are given to cultural visits, visits of scientific and technological importance, and all things that aren’t covered by other visas. Author Posts Viewing 1 post (of 1 total)