December 13, 2022 21:15 Updated Follow Yes, one or more. To download posters click: Required Employer Poster Related articles How can I get an IOSHA poster? 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? How can I make a change to my business information (name, officers, principles, address, etc.)? Need Help? Have problems? Who do I call? What Agency?