January 22, 2021 01:59 Updated Follow Yes, one or more. To download posters click: Required Employer Poster Related articles Can my employer make me work when it's too hot/cold in my workplace? Is there any information regarding Indiana lunch or breaks laws? Need Help? Have problems? Who do I call? What Agency? Why must I complete the OSHA Work-Related Injury and Illness Data Collection Form since I already completed the BLS Survey of Occupational Injuries and Illnesses? How can I make a change to my business information (name, officers, principles, address, etc.)?