California Code, Labor Code - LAB § 2102

An employee shall not be required to meet a quota that prevents compliance with meal or rest periods, use of bathroom facilities, including reasonable travel time to and from bathroom facilities, or occupational health and safety laws in the Labor Code or division standards. An employer shall not take adverse employment action against an employee for failure to meet a quota that does not allow a worker to comply with meal and rest periods, or occupational health and safety laws in the Labor Code or division standards, or for failure to meet a quota that has not been disclosed to the employee pursuant to Section 2101.