California Revenue & Taxation Code
Cal. Rev. & Tax. Code § 6205
Official textleginfo.legislature.ca.gov
It is unlawful for any retailer to advertise or hold out or state to the public or to any customer, directly or indirectly, that the tax or any part thereof will be assumed or absorbed by the retailer or that it will not be added to the selling price of the property sold or that if added it or any part thereof will be refunded.
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