As a condition of their use and occupancy permit, convenience stores and gas stations cannot keep more than one hundred fifty dollars ($150.00) in any cash register on the premises at all times between 11:00 p.m. to 6:00 a.m. A written cash management policy that limits cash on hand in the convenience store or gas station from 11:00 p.m. to 6:00 a.m. shall be provided to all employees.