It is provided, however, that nothing in this chapter shall prevent a person, firm, association, or corporation, or their agents or servants from storing, exposing for sale, or selling any such petroleum products under the trade name, sign, symbol, or distinguishing mark adopted and used by such person, firm, association, or corporation in good faith, if such trade name, sign, symbol, or distinguishing mark is not deceitfully similar to that already in general use by any manufacturer or seller of such products.
Miss. Code § 75-55-21