The Illinois IEMA 243 form is a crucial document for individuals and organizations that operate laser systems within the state. This form serves as a registration tool for various types of lasers, specifically Class 3b and Class 4 systems, which require oversight due to their potential hazards. When completing the form, applicants must provide essential information, including the administrator's name, facility details, and specifics about the laser equipment, such as the manufacturer, model, and classification. Additionally, the form includes sections to indicate the status of the laser unit, whether it is operable, inoperable, or has been sold or junked. The Illinois Emergency Management Agency (IEMA) emphasizes the importance of this registration in accordance with the Laser System Act of 1997, ensuring that all necessary information is disclosed to maintain safety standards. Failure to comply with the registration requirements can lead to legal consequences, highlighting the importance of understanding and adhering to the regulations surrounding laser use. This article will explore the key components of the IEMA 243 form, the registration process, and the implications of laser classification in Illinois.