A person may acquire a retail installment contract or an outstanding balance under a contract from another person on the terms, including the price, to which they agree. Notwithstanding any other applicable law of this state, no person acquiring or assigning a retail installment contract, or any balance under a contract, has any duty to disclose to any other person the terms on which a contract or balance under a contract is acquired, including any discount or difference between the rates, charges, or balance under the contract and the rates, charges, or balance acquired.
Tex. Fin. Code § 348.301