The member who is assigned by the incident commander or by any other person of comparable responsibility in the emergency service organization's incident management system, (see Figure O. I). NFPA 1561, 2005 ed
National Fire Protection Association, Illustrated Dictionary of Fire Service Terms, Jones & Bartlett Publishers, MA. USA 2006. https://books.google.com.kw/books?id=W0WIRa3Gl4QC& printsec=frontcover&source=gbs_ge_summary_r&cad=0# v=onepage&q&f=false, (Fr Srvc - Amer) {141}