Cal. Unemp. Ins. Code § 1260
(b) An individual disqualified under subdivision (b) of Section 1257, under a determination transmitted to the individual by the department, is ineligible to receive unemployment compensation benefits for not less than 2 and no more than 10 consecutive weeks beginning with:
(f) Prior to disqualifying an individual pursuant to subdivision (a) of Section 1257 and subjecting that individual to the period of ineligibility described in subdivision (c) or (d), the department shall do all of the following:
(1) Provide notice to the individual of the proposed determination. This notice may be combined with other notices from the department, which may include, but are not limited to, notifications of potential overpayments and of eligibility interviews.
(3) After an individual has responded to the allegations or after 10 or 3 days, as applicable, if the individual fails to respond, the department may issue a final notice of determination to an individual. That notice shall contain all of the following: