Korea Auto Tax: June Installment Application Closes in May — What You Need to Know

Korea’s vehicle tax (자동차세) hits twice a year — June and December. If you own a car registered in Korea, you’ll receive a bill for the 1st term (1기분) due June 16–30, 2026.

For most vehicle owners, the simple path is pay when billed. But if you want to split the June payment into installments, you must apply in advance through Wetax — and the application window closes at the end of May.

This guide explains the structure, who benefits from installment payment, and what the relationship is to the annual prepayment discount that many Korean vehicle owners use.

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How Korea’s Vehicle Tax Works

The annual vehicle tax is split into two equal payments:

Term	Payment Period
1st term (1기분)	June 16 – June 30
2nd term (2기분)	December 16 – December 31

The tax amount depends on your vehicle category and engine displacement (cc). Local governments (시·군·구) administer collection. The national Wetax platform (wetax.go.kr) serves as the central self-service portal.

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The Annual Prepayment Discount (연납공제): The Real Savings Option

Before discussing installments, understand the more valuable option: paying the full year in advance in January.

If you apply and pay the complete annual vehicle tax in January, the government gives a discount on the total amount. The Ministry of the Interior and Safety (MOIS, 행정안전부) sets this discount rate. It has historically been quoted as 9.15% for January payment, though this rate is subject to change.

Why this matters for May: if you already used this option in January 2026, no June or December bills will arrive. The installment question is moot — your tax is fully paid.

If you missed the January window (or chose not to use it), you will receive the regular June and December bills at the undiscounted rates.

For the current confirmed rate, check wetax.go.kr or the MOIS official announcements.

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What “Installment Payment” Actually Means

In Korean local tax terminology, the installment application (분납신청) for vehicle tax is a request to defer part of the June 1st-term payment to a later date, rather than paying the full 1st-term amount in one go in June.

This is not a tax reduction. The total amount you owe does not change. The only benefit is cash flow management — spreading the outflow if the June lump sum is a strain.

If your finances are comfortable in June, there is no tax benefit to installment payment over lump-sum payment in June. The savings mechanism in this system is the January advance payment discount, not installments.

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When Installment Payment Makes Sense

Your situation	Action
Already paid annual advance in January	Nothing to do — fully settled
Did not pay in January, comfortable cash flow in June	Pay lump sum in June, no action needed in May
Did not pay in January, June cash flow is tight	Apply for installment by end of May on Wetax
Missed January advance, want to save next year	Set a calendar reminder for January 2027

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How to Apply via Wetax (wetax.go.kr)

1. Go to wetax.go.kr
2. Log in with a Korean digital certificate (공동인증서) or simple authentication (Kakao, Naver, etc.)
3. Navigate to: 지방세 신고납부 → 자동차세 → 분납신청
4. Look up your vehicle and confirm the installment application
5. Submit the application

The SmartWetax mobile app supports the same flow if you prefer mobile.

Application deadline: The exact closing date for the June 2026 installment application is published on wetax.go.kr. It is typically within May. Check the official notice — missing the window means you cannot split the June payment.

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What Happens If You Miss the June Deadline?

If you pay the full June 1st-term bill by June 30 without an installment arrangement, no penalty occurs. If you simply do not pay by June 30 without an installment agreement in place, a surcharge (가산금) will be added.

The installment application prevents a surcharge on the deferred portion — as long as you then meet the scheduled installment payment dates.

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Payment Channels for Korea Vehicle Tax

Whether paying lump-sum or by installment, these channels are available:

• Wetax (wetax.go.kr): bank transfer, credit/debit card
• SmartWetax app: mobile payment
• KakaoPay, NaverPay, Toss: available for local taxes in most jurisdictions
• Bank branch or ATM: bring your paper bill
• Convenience store: scan bill barcode at CU, GS25, etc.

Credit card payments may incur a small processing fee. Some issuers offer interest-free installment splits for tax payments — worth checking if you’re already considering splitting costs.

Related: Korea Local Tax and Property Tax Overview →

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For Foreign Residents: Practical Notes

If you own a car in Korea and are a foreign resident:

• Vehicle tax bills are sent to the address on record with the local government (주민센터 or vehicle registration address)
• If you have not updated your address after moving, bills may not arrive on time — log into Wetax to check outstanding taxes
• Simple authentication options (Kakao, Naver) work with ARC-linked accounts; if you have issues, a Korean digital certificate (공동인증서) issued by a bank or Yessign is the fallback
• The NTS foreigner helpline (국세청) handles national taxes; for local vehicle tax, contact your local 시청·군청·구청 or use Wetax’s inquiry function

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Bottom Line

The May application window for splitting the June vehicle tax installment is a cash flow tool, not a tax saving tool. If you want actual savings on your Korean vehicle tax, plan to use the January advance payment discount next year. For now, if June cash flow is a concern, open Wetax before the end of May and submit the installment application.

Related: Korea Tax Filing Guide 2026 →