Tenn. Code § 47-50-103 : — Commercial Instruments And TransactionsMiscellaneous Provisions —50-103 - Written contracts prima facie evidence of consideration TEXT PDF All contracts in writing signed by the party to be bound, or the party's authorized agent and attorney, are prima facie evidence of a consideration. T.C.A. § 47-50-103 Code 1858, § 1805; Shan., § 3214; Code 1932, § 7829; T.C.A. (orig. ed.), §§ 47-1702, 47-15-103.