Tex. Bus. & Com. Code § 661.004
With respect to currency alteration other than the introduction of the euro, this chapter does not create any negative inference or negative presumption regarding the validity or enforceability of a contract, security, or instrument denominated wholly or partly in a currency affected by the alteration.
Added by Acts 2007, 80th Leg., R.S., Ch. 885 (H.B. 2278), Sec. 2.01, eff. April 1, 2009.