Section 506.1 of the IFC is amended to read as follows:

506.1 Where required. Where access to or within a structure or an area is restricted because of secured openings or where immediate access is necessary for life-saving or fire-fighting purposes the building official/fire marshal is authorized to require a key box be installed in an approved location. Key boxes shall also be required for buildings containing fire suppression systems or fire alarm systems. The key box shall be of an approved type and shall contain keys to gain necessary access as required by the building official/fire marshal.

506.1.1 Locks. An approved lock shall be installed on gates or similar barriers when required by the fire code official.