TX SB155

Expands criminal liability for dog owners whose dogs make unprovoked attacks to include attacks causing "bodily injury" (not just serious bodily injury or death), with bodily injury attacks classified as a Class B misdemeanor

Establishes a tiered penalty structure: Class B misdemeanor for bodily injury, third-degree felony for serious bodily injury, and second-degree felony for attacks causing death

Makes identifying information of witnesses who provide sworn statements about dangerous dog incidents confidential and exempt from public disclosure, with exceptions for law enforcement and government enforcement purposes

Creates a mandatory investigation process for large municipalities (those containing more than 70% of a county's population in counties with 1.5 million or more residents) requiring animal control to investigate reported dangerous dog incidents

Increases penalties for violations of dangerous dog ownership requirements from a Class C misdemeanor to a Class A misdemeanor for repeat offenders with prior convictions

Takes effect September 1, 2025, applying only to offenses committed on or after that date