Record on the OSHA 300 Log the recordable injuries and illnesses of all employees on the employer's payroll, whether they are labor, executive, hourly, salary, part-time, seasonal or migrant workers. Record the recordable injuries and illnesses that occur to employees who are not on the employer's payroll if the employer supervises these employees on a day-to-day basis.
Ill. Admin. Code tit. 56, § 350.360