. . . . edu. . Instructors may re-order student certificates at any time utilizing the Concealed Carry Handgun Certificate Re-Order Form (CCH-1). Illinois State Police may be contacted by the listed investigating agency to obtain copies of traffic crash reports that do not reflect Illinois State Police. To become a firefighter in Illinois, you must meet the below-mentioned requirements: Minimum age at the time of application is 20 years, and 21 years at the time of appointment Candidates older than 34 years may not be considered, given the demanding nature of the job A high school diploma or G. . Meet Age Requirements. Find breaking firefighting news, LODD, NIOSH updates, rescue videos, fire buff videos, and more.