Texas Tax Code
Tex. Tax Code § 112.208 — RES JUDICATA
The rule of res judicata applies in a suit under this subchapter only if the issues and the tax liability periods in controversy are the same as were decided in a previous final judgment entered in a Texas court of record in a suit between the same parties. Added by Acts 2021, 87th Leg., R.S., Ch. 331 (H.B. 2080 ), Sec. 10, eff. September 1, 2021.
Source: official text