(a) In this section:
(1) "Division" means the Texas Division of Emergency Management.
(2) "Public information officer" means an individual who is employed or appointed by a state agency or local government entity and whose duties include communicating with the public during a disaster regarding the disaster.
(b) Each of the following entities shall employ or appoint a public information officer who must obtain certification in emergency communications from the division and complete continuing education on emergency communications as provided by Subchapter K, Chapter 418:
(1) a municipal police department;
(2) a sheriff's office;
(3) a county constable's office;
(4) a school district police department; and
(5) the department.
(c) The chief administrative officer of an agency may be appointed or employed as a public information officer.