Sec. 801.31. Covered employees

(a) The employer must record on the SH 900 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 other workers. The employer also must 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.