Requiring certain short-term rental units to post certain evacuation diagrams and certain emergency telephone numbers in the unit and to provide certain fire extinguishers and smoke alarms and carbon monoxide alarms in the unit; requiring a certain short-term rental host to replace a smoke alarm and carbon monoxide alarm under certain circumstances; requiring certain counties or Baltimore City to require, through local law or regulation, certain inspections and to report certain information to the State Fire Marshal; etc.