Civil Code § 1803.11
ARTICLE 3. Provisions of Retail Installment Contracts
It shall be unlawful for any seller to solicit buyers, in any advertisement, to enter into a retail installment contract with it if the seller does not intend to sell that retail installment contract to a financing agency or other assignee, unless the advertisement clearly states the periodic rate or range of periodic rates, expressed as an annual percentage rate or a range of annual percentage rates that will be used to determine the finance charge imposed on the retail installment contract.