820 ILCS 115/10
Employers shall notify employees, at the time of hiring, of the rate of pay and of the time and place of payment. Whenever possible, such notification shall be in writing and shall be acknowledged by both parties. Employers shall also notify employees of any changes in the arrangements, specified above, prior to the time of change. Employers shall keep records of names and addresses of all employees and of wages paid each payday, and shall furnish each employee with an itemized statement of deductions made from his wages for each pay period. Every employer shall post and keep posted at each regular place of business in a position easily accessible to all employees one or more notices indicating the regular paydays and the place and time for payment of his employees, and on forms supplied from time to time by the Department of Labor containing a copy or summary of the provisions of this Act.
820 ILCS 115/10