Licensees shall have their places of business open for inspection by the Illinois State Police and law enforcement during all hours of operation involving the selling, leasing, or otherwise transferring of firearms, provided that the Illinois State Police or law enforcement may conduct no more than one unannounced inspection per business per year without good cause. During an inspection, licensees shall make all records, documents, and firearms accessible for inspection upon the request of the Illinois State Police or law enforcement agency.
430 ILCS 68/5-35