Cal. Health and Safety Code § 123327

(a) The department shall provide written notice to a retail food vendor if the department determines that the vendor has committed an initial violation for which a pattern of the violation must be established to impose a sanction. Notice shall be provided no later than 30 days after the department determines the first investigation that identified the violation is complete. (b) The written notice shall be delivered to the vendor 30 days before the department conducts a second investigation for purposes of establishing a pattern of the violation to the vendor’s most recent business ownership address on file with the department or to the vendor location upon identification of a violation during vendor monitoring, as defined by Section 40743 of Title 22 of the California Code of Regulations. (c) The written notice shall include a description of the initial violation and may include information to assist the vendor to take corrective action, including, but not limited to, a 60-day window that includes the date of the violation. (d) For purposes of this section, “violation” means a violation set forth in Section 246.2 of Title 7 of the Code of Federal Regulations. (e) It is the intent of the Legislature in enacting this section to clarify existing law.