Tenn. Code Ann. § 47-22-102: Unsolicited credit card - Effect

(a) If an unsolicited credit card is issued to any person in this state, such person shall not be deemed as having accepted the credit card and being subject to the terms of the agreement governing the use of the credit card, and shall not be liable for its unauthorized use by failing to return the credit card to the issuer.

(b) If the agreement governing the use of the card so provides, use of the card or retention of the card with intention to use it by either the person to whom it was issued or anyone to whom the person entrusts it will result in the person to whom the card was issued being subject to the terms of the agreement and liable for its unauthorized use.