Sick Leave Certificate in Thailand: Employee Rights & Employer Requirements

Thai Labor Law on Sick Leave

Under the Thai Labor Protection Act, employees are entitled to up to 30 paid sick days per year. This is one of the most generous sick leave provisions in Southeast Asia. Key provisions include:

• Sick leave can be taken as needed without prior approval
• Employees receive full pay during sick leave days
• Unused sick days do not carry over to the following year
• Sick leave beyond 30 days may be unpaid or covered by social security benefits

When Is a Medical Certificate Required?

Thai labor law specifies that an employer may require a medical certificate when an employee takes 3 or more consecutive sick days. However, in practice:

• 1-2 days — most employers accept self-declaration; no certificate needed
• 3+ consecutive days — employer can legally require a medical certificate
• Frequent short absences — employers may request documentation at their discretion

If an employee cannot provide a medical certificate when legally required, the employer has the right to treat the absence as personal leave or unpaid leave.

What Makes a Valid Sick Leave Certificate?

A valid sick leave certificate in Thailand must include:

1. Patient’s full name
2. Date of examination
3. Diagnosis or nature of illness
4. Recommended rest period
5. Physician’s name, license number, and signature
6. Hospital or clinic name and stamp

Can Certificates Be Backdated?

Generally, medical certificates in Thailand should not be backdated. Most physicians will only certify conditions they have personally examined. However, if you visited a doctor during your illness and the certificate was issued at that time, it is valid for the dates specified.

Getting a Sick Leave Certificate Online

Online medical consultations are increasingly accepted in Thailand. Through DrCertificate, you can:

1. Complete an online medical questionnaire
2. Undergo evaluation by a licensed physician
3. Receive your certificate via email — same day delivery

Get your sick leave certificate online

Frequently Asked Questions

Do part-time employees get paid sick leave in Thailand?

Yes. The Labor Protection Act applies to all employees, including part-time workers. They are entitled to up to 30 paid sick days per year.

Can my employer fire me for taking sick leave?

No. Terminating an employee for taking legitimate sick leave with proper documentation is considered unfair dismissal under Thai labor law.

What happens if I exceed 30 sick days?

Sick leave beyond 30 days per year is generally unpaid. Employees may be eligible for social security sickness benefits, which cover 50% of salary for up to 90 days per year.

Can I use an online medical certificate for sick leave in Thailand?

Yes. Certificates issued by licensed physicians through teleconsultation are recognized, provided they contain proper physician credentials and documentation.