How to Complete OSHA 300 Forms

Completing OSHA 300 forms is mandatory, and your business must meet OSHA regulations. If accurate records are kept throughout the year, it can make filling out these forms a much simpler task. Once the forms are filled out, you are required by OSHA to post form 300A in a location that is visible to your employees.

1. Record all job-related injuries as they occur in a separate binder. Record the name of the injured, date of the injury, and type of injury. If notices were received by your workman's compensation company, add them to the incident file. Keep an accurate record of pertaining to each workers injury.


2. Visit the OSHA.gov website and download the 300 form.


3. Fill out the OSHA form 300 by listing each incident by starting with the earliest date. Enter the employees name, title, injury date, and details of the incident.


4. Fill out the next page adding the employee’s information including address, SIC code and industry description. You will also need the average number of employees and the total number of hours worked.


5. Complete the form OSHA 300A by transferring the total number of injuries from the first form to the appropriate place on form 300A. 


6. Create a copy of the form for your records and keep it in a separate file labeled OSHA 300/300A forms.


7. OSHA form 300A must be posted so it is visible to all employees. You are required by OSHA regulations to have form 300A posted between February 1st to April 30th for the following year. Posting 300A is mandatory.