Ill. Admin. Code tit. 8, § 1000.250
a) Each cultivation center shall keep and maintain upon the permitted premises for a five-year period true, complete, legible and current books and records, including the following:
b) Each cultivation center is responsible for keeping and maintaining records that clearly reflect all financial transactions and the financial condition of the business. The following records must be kept and maintained on the permitted premises for a five-year period and must be made available for inspection if requested by the Department, and, when applicable, the Illinois Department of Revenue:
B) disposal of cannabis, cannabis-infused products and waste materials associated with production.