Missouri Revised Statutes Title XXVI. Trade and Commerce § 416.615. Sale below cost or at lower price, prohibited when

1. It is unlawful for any person engaged in commerce within this state to sell or offer to sell motor fuel below cost as defined in subdivision (2) of section 416.605, if:

2. It is unlawful for any person engaged in commerce within this state to sell or offer to sell motor fuel at a price lower than the seller charges other persons at the same time and on the same level of distribution, if the intent of the sale or offer is to injure competition.

3. It is unlawful for a person engaged in commerce in this state to sell or transfer motor fuel to itself or an affiliate for resale in this state on a different marketing level of distribution at a transfer price lower than the price it charges a person who purchases for resale at the same time and on the same level of distribution, if the intent of the sale or transfer is to injure competition.