For the purpose of examining the premises for violations of this chapter and rules adopted under 50-3-103 for the enforcement of this chapter, the chief or fire inspector of the governmental fire agency organized under Title 7, chapter 33, when a fire inspection program is established, or a fire inspector of the department of justice, when a fire inspection program does not exist:
(1) shall enter into school buildings at least once each 18 months; and
(2) may enter into all other buildings and upon all other premises within the jurisdiction, according to priority schedules established by the department for conducting inspections of buildings and premises.