Texas Code of Criminal Procedure - CRIM P Art. 38.371. Evidence in Prosecution of Offense Committed Against Member of Defendant's Family or Household or Person in Dating Relationship with Defendant

(a) This article applies to a proceeding in the prosecution of a defendant for an offense, or for an attempt or conspiracy to commit an offense, for which the alleged victim is a person whose relationship to or association with the defendant is described by Section 71.0021(b), 71.003, or 71.005, Family Code.

(b) In the prosecution of an offense described by Subsection (a), subject to the Texas Rules of Evidence or other applicable law, each party may offer testimony or other evidence of all relevant facts and circumstances that would assist the trier of fact in determining whether the actor committed the offense described by Subsection (a), including testimony or evidence regarding the nature of the relationship between the actor and the alleged victim.

(c) This article does not permit the presentation of character evidence that would otherwise be inadmissible under the Texas Rules of Evidence or other applicable law.