Cal. Civil Code § 1748 : Credit Cards — California Civil Code — Obligations — Contract provisions prohibiting price discounts or lower prices when payment by cash contrary to public policy Date: 14 Sep 2016 TEXT PDF Current through the 2016 Legislative Session Any provision in a contract between a card issuer and a retailer which has the effect of prohibiting the retailer from offering price discounts or from charging a different and lower price to customers who pay for goods or services by cash instead of by credit card is contrary to public policy and void. Ca. Civ. Code § 1748