The Bulletin specifies that the Maximum Amount of CEL Transfer Units that are permissible for Matriculating Undergraduate Students is 24 Units. For Graduate Students the maximum permissible amount is 6 Units with approval of a Faculty Adviser.
There are more regulations and restrictions regarding "Matriculated" versus "Open University" status that can be found at http://www.sfsu.edu/~bulletin/current/col-ext.htm
NOTE: Matriculating/Registered Students cannot enroll as an "Open University" student.
