What is ISO 45001? ISO 45001 was published on March 12, 2018and is the new international standard for occupational health and safety (OH& S) management ISO 45001 specifies requirements for an occupational health and safety (OH& S) management system and gives guidance for its use to enable organizations to provide safe and healthy workplaces by preventing work-related injuries, illnesses, and fatalities and by proactively improving OH& S performance ISO 45001 is applicable to any organization worldwide regardless of its size, type, or nature