HB 4439: Ban employers from punishing employee for speaking about occupational hazards << Previous billNext bill >> Introduced May 6, 2025 Official text and analysis Labor: health and safety; employee communication regarding an occupational safety and health practice or hazard; prohibit an employer from taking an adverse employment action based on. Amends 1974 PA 154 (MCL 408.1001 - 408.1094) by adding sec. 66a.