Knowledge · HR & Labor

Year-End Collective Leave and Annual Leave Substitution Agreements · Procedure for Holiday Substitution and Annual Leave Use Agreements

Year-End Collective Shutdown and Substitution of Annual Leave

📂HR & Labor⏱2-min read📊Practitioner🔗7 related

What is year-end collective leave?

In one line
A system in which the company sets several days around year-end as a company-wide break and treats those days as annual leave, or swaps public holidays for other days. A written agreement with the employee representative is required; closing the company without one is treated as a business suspension caused by the employer.
⚡ Summary in 3 lines
  • Annual leave substitution and holiday substitution are different mechanisms
  • No written agreement with the employee representative? It counts as a suspension
  • Identify employees without leave and departments that must stay open first

A well-designed collective leave changes the 'name of the day off.' Even if employees are off on the same December 29, it counts as annual leave used if a written agreement with the employee representative substituted it. If the company simply closed without an agreement, it is a business suspension caused by the employer, and suspension pay is owed. Annual leave substitution converts specific working days into annual leave days, while holiday substitution swaps a public holiday with another working day, so the governing provisions and effects differ. Both take effect only with a written agreement with the employee representative, and neither an internal notice nor individual consent forms can replace it.

Design starts with the calendar. If you designate the working days between public holidays, such as December 25 and January 1, as substituted annual leave days, you create one continuous break. The problem is new hires with no leave to substitute and employees who have already used all of theirs. To make them take unpaid time off or borrow next year’s leave, you need separate consent and a basis in the work rules. Without both, those days must be treated as a business suspension. Where some departments cannot close, such as production or customer service, employees who work on a substituted holiday may be entitled to holiday work premium pay, so consider setting different dates by department.

Training and HR managers deal with this at year-end because it is tied to annual leave promotion. Substituting annual leave through a collective leave reduces unused leave and lowers the cost of leave payouts, and some companies build it into their annual leave promotion process. However, promotion is a separate procedure requiring individual written notices and designated leave dates, so a collective leave agreement does not replace it.

Where practice goes wrong is stopping at a single notice. If all there is, is a notice saying “Company closed Dec. 30–31, treated as annual leave” and no written agreement, those two days cannot be deducted from annual leave, and you have to consider closure allowance instead. Many companies have never designated who the employee representative is, so there are cases where the person who signed the agreement had no standing as a representative, making the agreement itself invalid. Figures and procedures such as the closure allowance rate and the requirements for holiday substitution may be amended, so check the latest Ministry of Employment and Labor guidance and consult a labor attorney.

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💡 In plain English
It is like an apartment complex setting a shared power-outage inspection day: posting a notice from the management office without a resolution of the residents’ council turns into complaints.
Why it matters in practice
Announcing a year-end collective leave with a single notice can turn into a dispute over suspension pay. Annual leave can be deducted only with a written agreement from the employee representative.
Origin and sources

Under the Labor Standards Act, an employer may substitute specific working days for annual leave through a written agreement with an employee representative. Replacing a public holiday with a specific working day likewise requires a written agreement of the same kind. Year-end collective leave is a practical design that applies these two provisions to the year-end calendar.

Sources · Labor Standards Act, Articles 62 and 55
An example

Consider a hypothetical case. Company A, an advertising agency with 180 employees, has closed the whole company for three days in the last week of December every year. Until last year it only sent a notice saying “treated as annual leave.” This year, an employee who left in October filed a complaint with the labor office, arguing that the three-day deduction was invalid in the annual leave pay settlement, and the HR team had to review the procedure from scratch.

  1. The HR manager showed the labor attorney the past three years of notices. When told there had never been a written agreement with an employee representative, they asked, “So is every day of leave we have deducted so far a problem?” The answer was yes.
  2. The company paid the complainant three days of annual leave pay. Instead of refunding the past three years of deductions to all current employees, it agreed to follow the proper procedure starting this year. The refund would have covered 497 days of annual leave.
  3. In early November, the company held a vote of all employees to elect a new employee representative, then signed a written agreement designating December 29–31 as substituted annual leave days. The 11 new hires agreed to borrow from next year’s leave.
  4. For the 9 media team members who must stay available to clients, the agreement included a department-level substitution clause moving their days off to the second week of January. The team lead said, 'If we tell them all to take the same days off, our advertisers won’t stand for it.'
  5. After this year’s collective leave, unused annual leave fell 31% year over year and annual leave payouts dropped by about KRW 42 million (≈ US$31,400). There were no complaints or objections related to the leave.
Related terms
Paid Annual Leave · Accrual and ExpiryPaid leave granted to employees after a set period of service. The number of days depends on attendance rate and years of service.Annual Leave Promotion SystemA system that frees employers from paying for unused leave if they follow the legally prescribed procedure of written notices and designated leave dates and the employee still does not take the leave.Compensatory Leave · Holiday SubstitutionA system that grants time off instead of paying premiums for overtime, night, or holiday work, or swaps a specific holiday with another working day.Employee Representative · Written AgreementThe person who represents employees in signing written agreements with the employer on matters set by law, such as introducing working-hour systems. The legality of the selection process determines whether the agreement is valid.Breaks and Holidays · Weekly and Public HolidaysRules on the breaks that must be given during working hours and on holidays, days with no duty to work. Paid weekly holidays and paid public holidays are the core.Unused Annual Leave Pay SettlementPaying out, as wages, paid annual leave days that expired unused within the usage period. Days for which valid leave promotion was completed are excluded from the payment obligation.Work Rules · Drafting and Unfavorable ChangesInternal regulations setting working conditions and workplace discipline. Larger workplaces must draft and file them, and employee consent is required to change them unfavorably.
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Last updated 17 Oct 2026 · Reviewed by John Kim

FAQ

No. To substitute a specific working day with annual leave, you need a written agreement with the employee representative. With only a notice, the day may be treated as a business suspension caused by the company, which can trigger suspension allowances.
For employees with no leave to substitute, common approaches are to have them borrow next year’s leave with their consent and a basis in the work rules, or to treat the days as paid time off. Making them take unpaid time off without consent triggers business suspension allowances.
If someone works on a day substituted for annual leave, that leave was not used. If someone works on a day designated as a substitute holiday, they may be entitled to the holiday work premium. In practice, the usual approach is to put a clause in the agreement that sets different dates by department.
They can be designed together, but promotion is a separate procedure requiring individual written notices and designated leave dates. A collective leave agreement does not replace promotion, so you must complete each procedure separately.