Comprehensive Wage System in Korea: Can Your Employer Legally Withhold Overtime Pay?

The Comprehensive Wage System Is Not a Magic Trick That Eliminates Overtime Pay

Many employees see the term "comprehensive wage system" (포괄임금제) in their employment contracts and resign themselves to the idea that no additional allowances will be paid for overtime. However, the Supreme Court and the Ministry of Employment and Labor's administrative interpretations have repeatedly confirmed that the comprehensive wage system is not unconditionally valid.

What Is the Comprehensive Wage System?

The comprehensive wage system is a method of paying wages in which allowances for extended work (연장근로수당), night work (야간근로수당), and holiday work (휴일근로수당) are bundled into a fixed salary in advance. It is not a system explicitly defined in the Labor Standards Act (근로기준법); rather, it is a concept formed through case law and workplace practice.

Note for foreign workers: Even if your contract states a comprehensive wage arrangement, the statutory minimums below always apply — contractual terms cannot fall below them.

The Supreme Court has held that a comprehensive wage arrangement is valid only when both of the following conditions are met (Supreme Court Case 2016da9643, etc.):

1. The nature of the work makes it difficult to calculate working hours, or the worker is free to determine their own working hours.
2. The worker's consent has been obtained, and the allowance items and amounts included are clearly specified.

In industries such as office work and manufacturing, where commuting times are clearly managed, the first condition is itself difficult to satisfy. In such cases, the comprehensive wage agreement becomes void, and allowances must be paid separately based on actual extended and night working hours.

Even If the Comprehensive Wage System Is Valid, You May Still Claim Additional Overtime Pay

Even where a comprehensive wage agreement is valid, if the statutory allowances calculated on actual overtime hours exceed the agreed amount, you may claim the difference. The Supreme Court has clearly stated: "Where the statutory allowances included in a comprehensive wage fall short of the standards set by the Labor Standards Act, the shortfall is void" (Supreme Court Case 2010da91046).

For example, even if your contract states "overtime allowance of KRW 200,000 per month included," if you actually worked 40 hours of extended work every month, you may claim the difference between that amount and the legally required extended work allowance (1.5 times your ordinary wage (통상임금)).

How to Calculate Overtime Pay

Extended work, night work, and holiday work allowances are calculated based on ordinary wage.

• Extended work (exceeding 8 hours per day or 40 hours per week): 1.5 times ordinary wage
• Night work (10:00 p.m. – 6:00 a.m.): an additional 0.5 times ordinary wage
• Holiday work: 1.5 times ordinary wage for the first 8 hours; 2 times ordinary wage beyond 8 hours

Ordinary wage includes not only base pay but also allowances paid on a regular, uniform, and fixed basis (e.g., job allowances, position allowances) (Supreme Court en banc decision, Case 2013da4969).

How to Claim Unpaid Overtime Pay

1. Gather evidence: Save commuting records, work messenger logs, email timestamps, and similar documentation.
2. Check your pay stub: Since November 2021, employers are obligated to provide itemized pay stubs (Article 48 of the Labor Standards Act (근로기준법 제48조)). If allowance items are missing, that itself constitutes a violation.
3. File a complaint with the Ministry of Employment and Labor: You may file a wage-theft complaint (임금체불 진정) with the competent regional Employment and Labor Office. The statute of limitations on wage claims is 3 years (Article 49 of the Labor Standards Act (근로기준법 제49조)).

Check It Right Now on Bylaw

If you want to know whether your monthly salary properly reflects overtime pay, use the Bylaw (바이로) salary take-home calculator at workbylaw.com to quickly estimate your expected extended work allowance based on ordinary wage. You can also use the AI search feature to instantly find court precedents and administrative interpretations related to the comprehensive wage system, and the platform provides a draft complaint template for claiming unpaid allowances.

This article is for informational purposes only and does not constitute legal advice. For specific cases, consult a certified labor attorney (노무사) or lawyer.