While the OSHA 300A is a condensed summary of the incidents recorded on OSHA 300, the OSHA 301 is used to provide more detailed information about each individual work-related injury or illness recorded on Form 300. It requires employers to document specific details of the incident, including the employee’s name, job title, date of the incident, nature of the injury or illness, affected body parts, and a description of the event leading to the incident.