Ill. Admin. Code tit. 32, § 620.20
b) radioactive materials license numbers and issuing agency;
All generators shall register with the Agency within 60 days after commencement of producing or possessing any quantity of low-level radioactive waste in Illinois. Registration shall be on a form developed by the Agency and shall include:
(Source: Amended at 37 Ill. Reg. 12438, effective July 19, 2013)