California Code, Labor Code - LAB § 200.3

(1) Uses substantially the same facilities or substantially the same workforce to offer substantially the same services as the judgment debtor. This factor does not apply to employers who maintain the same workforce pursuant to Chapter 4.5 (commencing with Section 1060) of Part 3.

(2) Has substantially the same owners or managers that control the labor relations as the judgment debtor.

(3) Employs as a managing agent any person who directly controlled the wages, hours, or working conditions of the affected workforce of the judgment debtor. The term managing agent has the same meaning as in subdivision (b) of Section 3294 of the Civil Code.

(4) Operates a business in the same industry and the business has an owner, partner, officer, or director who is an immediate family member of any owner, partner, officer, or director of the judgment debtor.