A salaried employee in Illinois can work up to 40 hours in a standard workweek. California requires you to correctly categorize salaried employees as exempt or non-exempt.As of January 1, 2019, employers must reimburse employees for all "necessary" expenses. So what's a necessary expense? When determining whether an employee is exempt or non-exempt from receiving overtime, employers in Illinois need to review their employee's classification. Below is information about laws and regulations, including wages, benefits, safety and health, that affect businesses and workers within the State of Illinois. California's labor laws protect all workers, regardless of immigration status. Illinois, a state with its unique labor laws and regulations, fosters the intricate relationship between employers and employees. Note: Salaried employees can also be paid monthly if an employee voluntarily agrees. Federal law establishes minimum wage and overtime requirements for nonexempt employees.