California Code, Education Code - EDC § 94919

(a) An institution that participates in the federal student financial aid programs complies with this article by complying with applicable regulations of the federal student financial aid programs under Title IV of the federal Higher Education Act of 1965.

(b) The institution shall advise each student that a notice of cancellation shall be in writing, and that a withdrawal may be effectuated by the student's written notice or by the student's conduct, including, but not necessarily limited to, a student's lack of attendance.

(c) The institution shall also provide a pro rata refund of nonfederal student financial aid program moneys paid for institutional charges to students who have completed 60 percent or less of the period of attendance.

(d) Institutions shall refund 100 percent of the amount paid for institutional charges, less a reasonable deposit or application fee not to exceed two hundred fifty dollars ($250), if notice of cancellation is made through attendance at the first class session, or the seventh day after enrollment, whichever is later.