Cal. Code Regs. tit. 5, § 30054
A part-time student is one who is taking 6-11 units or their equivalent. A student enrolled for 9-11 units or their equivalent is considered ¾ -time and a student enrolled for 6-8 units or their equivalent is considered ½ -time.
1. Repealer and new section filed 6-10-77; effective thirtieth day thereafter (Register 77, No. 24).