Tex. Civ. Prac. & Rem. Code 78.104
Liability: Volunteer Firefighter
A volunteer firefighter who provides emergency services as a member of a volunteer fire department, has the same protections from being held legally responsible as a professional, full-time firefighter providing similar services in the same county.
Liability of Volunteer Fire Fighter
A volunteer fire fighter is: (1) liable for damages described by Section 78.102 only to the extent that an employee providing the same or similar services for a county would be liable; and (2) entitled to the exclusions, exceptions, immunities, and defenses applicable to an employee of a county under Chapter 101 and other statutory or common law.