§663.  Threats; prima facie evidence of violation

If any manufacturer or wholesale distributor on authority of any such manufacturer threatens to discontinue to sell, or terminate a contract to sell motor vehicles to the dealer unless the dealer finances the purchase or sale of motor vehicles only through a designated finance company or finance agency, that threat shall be prima facie evidence that the manufacturer or wholesale distributor has sold, or intends to sell motor vehicles, on the condition or with the agreement prohibited in R.S. 51:662.