[2] The goal of the standard is the reduction of occupational injuries and diseases, including promoting and protecting physical and mental health.
Organizations that are certified to OHSAS 18001 were able to migrate to integrated management system or ISO 45001 by March 2021 to retain a valid certification.
Recognising this deficit, an international collaboration called the Occupational Health and Safety Assessment Series Project Group was formed to create a single unified approach.
[2] Drawing on the best of existing standards and schemes, the Occupational Health and Safety Assessment Series Project Group published the world's first international occupational health and safety management systems standard, OHSAS 18000 series in March 1999.
OHSAS 18000 series was updated in July 2007, based on conventions and guidelines of the ILO, and national standards.