Hi... I was on F1 visa. Finished the degree & changed the status to B2 visa. Right now I'm on B2. It is valid until March 20, this year. In the meantime I had some health issues. I've doctors letters. I want to apply again for B2. What form I need to apply? Last time it was a change of status from F1 to B2. I submitted I-539. This time again I'm applying for B2. So, what form should I fill out, if you could let me know.