Ill. Admin. Code tit. 8, § 1300.155
1) The date of each sale or distribution to a cannabis organization;
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 licensed premises, at approved corporate offices within the State of Illinois, for a 5-year period and must be made available for inspection upon request by the Department and DOR within 48 hours after a request:
7) Production records, including:
10) Inventory records as described in Section 1300.180;