A California resident enrolled at a CSU campus who meets the requirements of subdivision (a) of Section 66761 may enroll, without formal admission, and without payment of additional tuition or fees, except as provided in Section 66761.5, in a course provided entirely online by another CSU campus on a space-available basis. Nonresident and international CSU students who meet these conditions may also enroll in an online course provided by another CSU campus, but shall pay the per unit fees for this course at the host campus.