Ill. Admin. Code tit. 41 § 100.2
"Act" means the Fire Investigation Act [ 425 ILCS 25 ].
"Authority Having Jurisdiction" or "AHJ" means the OSFM and local government authorities.
"Fire Safety Evaluation System" or "FSES" means a fire risk indexing approach to determining equivalencies to NFPA 101 for certain occupancies.
"Life Safety Code" or "NFPA 101" means NFPA 101, Life Safety Code as incorporated by reference in Section 100.7.
"Local Government Authorities" means those organizations that are the political governing unit of a county, district or municipality that enforces laws, regulations or ordinances within its specific geographical area.
"NFPA" means the National Fire Protection Association.
"OSFM" means the Office of the State Fire Marshal.
"State Fire Marshal" means the State Fire Marshal, his or her deputies, inspectors or designees.
Ill. Admin. Code tit. 41, § 100.2