Invoice format in South Korea: Tax invoice rules
A South Korea tax invoice must show 5 things, starting with supplier business registration number and name, recipient business registration number and supply value. VAT is charged at 10%. The template below is pre-filled in KRW with ko-KR formatting.
Pre-filled for South Korea: Tax Invoice, KRW, VAT 10%. Illustrative amounts, not market prices.
From
Granite Services
12 Market Square
South Korea
billing@example.com
Business registration number: 123-45-67890
Tax Invoice
Bill to
Meridian Works
40 Station Road
South Korea
accounts@example.com
| Description | Qty | Rate | Amount |
|---|---|---|---|
| Written report | 1 each | ₩300,000 | ₩300,000 |
| Consulting services | 8 hr | ₩100,000 | ₩800,000 |
| Design work | 12 hr | ₩75,000 | ₩900,000 |
| Website maintenance | 6 hr | ₩80,000 | ₩480,000 |
- Subtotal
- ₩2,480,000
- VAT (10%)
- ₩248,000
- Balance due
- ₩2,728,000
Notes
Illustrative amounts, not market prices.
Payment details
Bank transfer. Please quote the invoice number.
Made with Billwise - invoice-pdf-maker-app.web.app
Preview of the PDF. Everything stays in your browser: nothing is uploaded.
South Korea invoice facts
| Tax on invoices | Value Added Tax (부가가치세) |
|---|---|
| Label printed | VAT |
| Standard rate | 10% |
| Seller tax ID | Business registration number, format 123-45-67890 |
| Document name | Tax invoice |
| Currency and locale | KRW, ko-KR |
| Keep invoices for | 5 years |
| Facts checked | October 2026 |
What a South Korea tax Invoice must show
5 fields, from the sources listed below.
- Supplier business registration number and name (Business registration number, e.g. 123-45-67890)
- Recipient business registration number (Business registration number, e.g. 123-45-67890)
- Supply value
- VAT amount, in KRW
- Date of preparation
Sample tax invoice in KRW
The tool above uses these lines. Illustrative amounts in KRW, not market prices.
| Item | Qty | Rate | Amount |
|---|---|---|---|
| Written report | 1 each | ₩300,000 | ₩300,000 |
| Consulting services | 8 hr | ₩100,000 | ₩800,000 |
| Design work | 12 hr | ₩75,000 | ₩900,000 |
| Website maintenance | 6 hr | ₩80,000 | ₩480,000 |
| Net total | ₩2,480,000 | ||
| VAT 10% | ₩248,000 | ||
| Total due | ₩2,728,000 |
Worked VAT example in KRW
A net amount of ₩1,000,000 at each VAT rate of South Korea: the tax is the net amount times the rate, rounded to the currency's smallest unit.
| Rate | Net | VAT | Gross |
|---|---|---|---|
| Standard 10% | ₩1,000,000 | ₩100,000 | ₩1,100,000 |
Number, date and currency format (ko-KR)
How ko-KR writes amounts and dates, computed with the browser's Intl API; the invoice tool uses the same formatting.
| Value | Written in ko-KR |
|---|---|
| Amount 1234567.89 | ₩1,234,568 |
| Same amount with the ISO code | KRW 1,234,568 |
| Credit of 250 | -₩250 |
| Plain number 1234567.89 | 1,234,567.89 |
| Date 31 December 2026 (long) | 2026년 12월 31일 |
| Same date (short) | 26. 12. 31. |
| VAT rate 10% | 10% |
South Korea invoicing rules
- Corporations, and individual businesses whose supply value reached KRW 80 million in the previous year, must issue electronic tax invoices (전자세금계산서).
- An electronic tax invoice must be transmitted to the National Tax Service by the day after it is issued.
- Sales for a month can be combined in one tax invoice issued by the 10th of the following month.
- Keep tax invoices and related records for five years.
E-invoicing, simplified invoices and record keeping
Electronic tax invoices are mandatory for all corporations and for individual businesses whose prior-year supply value was KRW 80 million or more (threshold in force since July 2024).
Keep issued and received invoices for at least 5 years in South Korea.
How to make a tax invoice for South Korea
-
Set currency and format
Choose KRW and the ko-KR format so amounts read like ₩1,235.
-
Title and number
Title the document "Tax Invoice" and number it in sequence, for example KR-2026-0013.
-
Your tax ID
Enter your Business registration number (format 123-45-67890) in the seller details.
-
Add VAT
Add VAT at 10%, or a reduced rate where the goods or services qualify.
-
Check and download
Check the 5 required fields above, then download the PDF.
Sources
General information, not tax advice; checked October 2026. Rules change: confirm with the tax authority or an accountant before relying on them.
Official sources
Frequently asked questions
What must a South Korea tax invoice include?
5 items: supplier business registration number and name, recipient business registration number, supply value, vat amount and date of preparation.
What VAT rate goes on an invoice in South Korea?
The standard rate is 10%. On a net ₩1,000,000 that is ₩100,000 of VAT.
How long must invoices be kept in South Korea?
At least 5 years, according to the sources on this page (checked October 2026).
Is e-invoicing mandatory in South Korea?
Electronic tax invoices are mandatory for all corporations and for individual businesses whose prior-year supply value was KRW 80 million or more (threshold in force since July 2024).
Related
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- Singapore invoice format GST 9%
- Philippines invoice format VAT 12%
- NZ invoice format GST 15%
- Japan invoice format JCT 10%
- India invoice format GST 18%
- Australia invoice format GST 10%