The Illinois Class L Application is an application used to obtain a license to own or operate a private security business in the state of Illinois. It is available to both residents and non-residents of the state. There are two types of Illinois Class L Applications; a General Application and an Individual Application. The General Application is designed for those wishing to apply for a business license, and requires the submission of a detailed business plan. The Individual Application is designed for those wishing to apply for an individual license, and requires the submission of a background check and other documents. Once approved, applicants will have to complete additional requirements such as obtaining training from an approved training provider, submitting additional documents, and paying the required fees. Upon completion of these requirements, the applicant will be granted an Illinois Class L license.