It shall be the duty of every licensee to keep and maintain books and records pertaining to all business conducted at the licensed premises. It shall be the duty of every licensee to make the books and records available upon reasonable notice for the purpose of investigation and control by the Local Liquor Control Commissioner. Such books and records need not be maintained on the licensed premises but must be maintained in the state of Illinois.
(Prior Code, Art. 6, § 6.16)