Cal. Business and Professions Code § 17042 : California Business And Professions Code — General Business Regulations — Unfair Trade Practices — Offenses Against The Chapter — Acts not prohibited Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session Nothing in this chapter prohibits any of the following: (a) A selection of customers. (b) A functional classification by any person of any customer as broker, jobber, wholesaler or retailer. (c) A differential in price for any article or product as between any customers in different functional classifications. Ca. Bus. and Prof. Code § 17042