Tex. Fin. Code § 304.001 : FINANCE CODE — REGULATION OF INTEREST, LOANS, AND FINANCED TRANSACTIONS — INTEREST — JUDGMENT INTEREST — GENERAL PROVISIONS — Interest Rate Required in Judgment TEXT PDF A money judgment of a court in this state must specify the postjudgment interest rate applicable to that judgment. Tex. Fin. Code § 304.001 Amended by Acts 1999, 76th Leg., ch. 62, Sec. 7.18(a), eff. 9/1/1999.