CA Lab Code Section 2812

Except as required by federal law, or as a condition of receiving federal funds, neither the state nor a city, county, city and county, or special district shall require an employer to use an electronic employment verification system, including under the following circumstances:

(a)

As a condition of receiving a government contract.

(b)

As a condition of applying for or maintaining a business license.

(c)

As a penalty for violating licensing or other similar laws.