Employment Contract Violations in Korea: A Complete Guide for Foreign Workers

Employment Contract Violations: How Should You Respond?

After starting a new job, it is not uncommon to find that the actual working conditions differ from what was written in the contract. Wages may be different, working hours may increase, or the job duties may change. What rights does a worker have in these situations, and how can they respond?

Why Is the Employment Contract Important?

Article 17 of the Labor Standards Act (근로기준법 제17조) requires employers to specify in writing and deliver to the worker the key working conditions — including wages, scheduled working hours, holidays, annual paid leave (연차유급휴가), workplace, and job duties. Violating this obligation is subject to a fine of up to KRW 5,000,000. An employment contract is not merely a document; it is a legally binding agreement between the worker and the employer.

Note for foreign workers: Your employment contract must meet at least the statutory minimums set by Korean law, regardless of what your contract says.

Major Types of Violations and Legal Basis

① Wage Discrepancy
If the contract states a monthly wage of KRW 2,500,000 but only KRW 2,300,000 is actually paid, this constitutes a violation of Article 43 (wage payment) (제43조) and Article 36 (settlement of money and valuables) (제36조) of the Labor Standards Act. The unpaid difference qualifies as wage theft (임금체불), and a complaint can be filed with the Ministry of Employment and Labor.

② Unilateral Change of Working Hours or Workplace
A unilateral change by the employer to the scheduled working hours or workplace specified in the contract constitutes an unfavorable alteration of working conditions. The Supreme Court has held that changing employment rules or a labor contract to the detriment of workers requires collective consent of the workers (Supreme Court Decision 2010다82244, etc.).

③ Change of Job Duties
If a worker was hired for a sales position but is suddenly reassigned to a production role — or otherwise forced to perform duties different from those in the contract — the worker may refuse or demand performance of the original contract terms.

④ Abuse of the Probationary Period
During a probationary period, the employer must pay at least 90% of the minimum wage (Article 5 of the Minimum Wage Act (최저임금법 제5조)). If the probationary period was not specified in the employment contract, reducing wages on that basis is unlawful.

Step-by-Step Response Guide

Step 1: Gather Evidence
Keep copies of your employment contract, pay stubs, attendance records, and any work-related text messages or emails.

Step 2: Negotiate with the Employer
First, request in writing (including by text or email) that the employer fulfill the contract as agreed. This process itself serves as important evidence in any future dispute.

Step 3: File a Complaint with the Ministry of Employment and Labor
If negotiation fails, you may submit a complaint (진정서) to the Regional Employment and Labor Office with jurisdiction over the workplace. For wage theft, unpaid wages from within the past 3 years can be claimed (Article 49 of the Labor Standards Act (근로기준법 제49조)).

Step 4: Labor Relations Commission or Civil Litigation
If the violation is accompanied by an unfair change of working conditions or dismissal, you may file a relief application with the Labor Relations Commission or seek damages through civil litigation.

Get Started with Bylaw

If you want to check whether the wage stated in your contract matches what you actually receive, use the Bylaw (바이로) take-home pay calculator at workbylaw.com to calculate your exact net pay after tax and four major insurance deductions. You can also use Bylaw's AI labor law search and complaint drafting assistant to quickly find the right response for your situation.

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