Cal. Health & Safety Code § 37912.5

Unless the context otherwise requires, “systematic enforcement,” as used in this part, means the enforcement of rehabilitation standards in accordance with a systematic program of making inspections of dwelling structures in accordance with objective criteria for selection or order of selection of dwelling structures to be inspected. Systematic enforcement may be limited to rental or multifamily dwellings. It does not refer to a policy of responding only to complaints and requests for inspections. It does not include inspections where violations are not cited. It does not include the concentrated enforcement of rehabilitation standards in a designated geographic area within the jurisdiction.