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Penalties and Response Guide for Occupational Safety and Health Act Violations (2026)
The Occupational Safety and Health Act defines more than 50 obligations for employers. Violations can result in criminal prosecution, administrative fines, and even business suspension. This guide summarizes the most common violation types and the practical steps for managing them.
Why the Occupational Safety and Health Act Matters
The Occupational Safety and Health Act sets out the safety and health obligations that every worksite must meet. Any workplace with five or more employees must appoint a safety and health manager, and manufacturing or construction businesses with 50 or more employees must additionally designate separate safety managers and health managers.
Violations of this law do not merely result in administrative fines — they can lead to criminal prosecution (imprisonment or fines). When a fatality occurs, the Serious Accidents Punishment Act is applied concurrently, escalating the severity of consequences significantly.
Seven of the Most Common Violations
1. Failure to Appoint a Safety and Health Manager Mandatory for any workplace with five or more employees. Penalty: administrative fine of up to KRW 5 million.
2. Failure to Provide Safety and Health Training Required: 8 hours for new hires; 6–12 hours per quarter for regular employees (varies by occupation). Penalty: administrative fine of up to KRW 5 million.
3. Failure to Conduct Risk Assessments, or Conducting Them Inadequately Mandatory for all workplaces. An inadequate assessment is treated the same as no assessment at all. Penalty: administrative fine of up to KRW 10 million.
4. Failure to Conduct Workplace Environmental Measurements (where required) Applies to workplaces with exposure to hazardous chemicals, noise, dust, etc. Penalty: administrative fine of up to KRW 10 million.
5. Failure to Provide Personal Protective Equipment Employers are required to provide workers with hard hats, safety harnesses, safety goggles, and other PPE. Penalty: administrative fine of up to KRW 10 million.
6. Inadequate Safety Management for Contracted Work Prime contractors (especially in construction) are obligated to jointly manage the safety of subcontractors. Penalty: imprisonment of up to 1 year or a fine of up to KRW 10 million.
7. Failure to Report a Serious Accident Immediately Serious accidents (fatalities, serious injuries, mass occupational illness) must be reported without delay. Penalty: imprisonment of up to 1 year.
Penalty Summary
- General obligation violations: administrative fines (most commonly KRW 5–15 million)
- Subcontractor safety management violations: imprisonment of up to 1 year or fines of up to KRW 10 million
- Fatal accident + failure to meet safety obligation: imprisonment of up to 7 years or fines of up to KRW 100 million
- Concurrent application of the Serious Accidents Punishment Act: imprisonment of 1 year or more for the business owner
Practical Response Steps
- Assess Current Status — Review the compliance checklist for obligations applicable to your worksite size
- Appoint and Register — Designate a safety and health manager and file the required notification with the Ministry of Employment and Labor
- Conduct Risk Assessments — At least once per year, plus on-demand whenever work processes change; retain records for 3 years
- Set Up a Training Schedule — Create a quarterly calendar covering new-hire, regular, and special training sessions
- Maintain Records — Keep all training, assessment, and inspection records in a state where they can be retrieved immediately
Where SenseZero Can Help
SenseZero's core value is digitizing and automating steps 2 through 5 above.
- Risk assessments that safety managers previously recorded on paper are automatically accumulated using BLE beacon and wearable data
- Quarterly training completion is automatically tracked by worksite and job category
- For subcontractor management, prime contractors can view hazard alerts and training completion records for each subcontractor from a single dashboard
- When an accident occurs, the worker's location, biometrics, and training history at that exact moment are available for replay in 5-second intervals, enabling causal analysis
SenseZero creates an environment where Occupational Safety and Health Act obligations are documented not on spreadsheets and paper, but as verifiable data.
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