If you submit the Leave of Absence e-form in UB Global before the Add/Drop deadline, you do not need to be enrolled in classes for that term. If you apply for a Leave of Absence after the Add/Drop ...

Except in the case of a health leave of absence, students in F-1 and J-1 status who wish to maintain that status must always enroll in 12 or more credits, with the exception of their final semester.