Cal. Bus. & Prof. Code § 17042 : CALIFORNIA BUSINESS AND PROFESSIONS CODE — GENERAL BUSINESS REGULATIONS — PRESERVATION AND REGULATION OF COMPETITION — UNFAIR TRADE PRACTICES — OFFENSES AGAINST THE CHAPTER — Acts not prohibited TEXT PDF 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'l. Code § 17042 Added by Stats. 1941, Ch. 526.