Powers of fire departments in event of emergencies generally. Provision of assistance to respond to emergencies, disasters, or hazardous materials. Authority of counties, municipalities, or other political subdivisions to enact ordinances, regulations, or codes. Operation of other fire departments within municipalities or counties. Effect of article on powers and duties of other officials and departments. Sec. 25-3-20. 25-3-21. 25-3-22. 25-3-23. 25-3-24. 25-3-25. 25-3-26. 25-3-27. Legislative intent.