(a) This subchapter shall be enforced by the department and any other governmental or law enforcement entity, including the Department of Public Safety, and the personnel of the entity as provided by this subchapter.
(b) The department, an agent, officer, or employee of the department, or another person enforcing this subchapter is not liable to a person damaged or injured by an act or omission relating to the issuance or revocation of a title, nonrepairable vehicle title, nonrepairable record of title, salvage vehicle title, or salvage record of title under this subchapter.