Cal. Educ. Code § 52164.2

The Department of Education shall review the results of the census each year. Where the information provided by a school district appears to be inaccurate or where parents, teachers, or counselors file a formal written complaint that the census is inaccurate, the department shall audit the district’s census. Where the department concludes that the census has been incorrectly taken, or the results appear to be inaccurate, the department shall require another census to be taken and the corrected information to be provided.