Mitt opened up a small business that prints custom T$-$shirts, mugs, and trophies. He trains his $15$ employees carefully, and after two years, no employee has experienced an on$-$the$-$job injury or illness. Under the requirements of the Occupational Safety and Health Act, what must Mitt post in the workplace?

OSHA Small Business Handbook

OSHA Certificate of Compliance

form $300A,$ Summary of Work$-$Related Injuries and Illnesses

form $310$ A$,$ Certification of Injury$-$Free Status

general$-$duty clause