Read: the OSH Act B.E. 2554 explained

Who regulates what

DLPW (กรมสวัสดิการและคุ้มครองแรงงาน)

The Department of Labour Protection and Welfare, Ministry of Labour. Its Occupational Safety and Health Division sets standards, enforces the Act through safety inspectors and registers safety officers.

osh.labour.go.th →
TOSH (สสปท.)

The Thailand Institute of Occupational Safety and Health, a public organisation set up under s.52 of the Act. It promotes OSH, develops standards and does research; it is not the enforcement body.

tosh.or.th →

The law and key regulations

DLPW publishes the Act, its ministerial regulations and notices on its safety law page, including an official English translation of the Act.

LawWhat it covers
Occupational Safety, Health and Environment Act B.E. 2554 (2011)Employer and employee duties, safety officers, training, accident reporting, inspectors' powers and penalties. Explained
Ministerial Regulation on safety officers, personnel, units and committees B.E. 2565 (2022)The five levels of safety officer (จป.), the safety committee and the safety unit, by type of business and number of employees.
Ministerial Regulation on safety management system standards B.E. 2565 (2022)The safety management system employers must run.
Ministerial Regulation on construction work B.E. 2564 (2021)Safety standards for construction work.
Ministerial Regulation on scaffolding and shoring B.E. 2564 (2021)Design, erection and use of scaffolds and shoring.
Ministerial Regulation on falls from height, falling materials and falls into containers B.E. 2564 (2021)Work at height of 2 metres or more: procedures, briefings, fall-protection equipment and anchor points.

This is practical guidance, not legal advice. Check the current official text and your site's own procedures.

Official resources in Thai and migrant workers' languages

DLPW publishes the law in Thai, an official English translation, and safety material for migrant workers in Burmese, Khmer and Lao.

English

Migrant workers