Texas Local Government Code - LOC GOV'T § 179.052. Authority of Employers and Supervisors

(a) A municipal or county department or private entity that employs or supervises first responders providing services for a municipality or county to which this chapter applies may adopt a policy authorizing a first responder who is employed or supervised by the municipal or county department or private entity and who holds a license to carry a handgun under Subchapter H, Chapter 411, Government Code, an unexpired certificate of completion from the department under Section 411.1883(d)411.184(d), Government Code, and the required liability policy under Section 179.053 to:

(b) A first responder employed or supervised by a municipal or county department or private entity may not engage in conduct described by Subsection (a)(1) or (2) unless the municipal or county department or private entity has adopted a policy under Subsection (a) that authorizes that conduct.