This chapter does not affect rights that existed before the introduction of the common law in this state. Those rights are defined by the principles of the law in effect at the time the rights accrued.
Tex. Prop. Code § 22.004
EFFECT OF FORMER LAW
Acts 1983, 68th Leg., p. 3509, ch. 576, Sec. 1, eff
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.