In this chapter:
(1) "Handler" means a person who handles a search and rescue dog and who is certified by the National Association for Search and Rescue or another state or nationally recognized search and rescue agency.
(2) "Housing accommodations" has the meaning assigned by Section 121.002(3), Human Resources Code.
(3) "Public facility" means a facility described by Section 121.002(5), Human Resources Code.
(4) "Search and rescue dog" means a canine that is trained or being trained to assist a nationally recognized search and rescue agency in search and rescue activities.