APAC · NTS (National Tax Service)
South Korea
Updated in last 30 days·Atlas data current as of
World's first universal e-invoicing mandate (2011 onward). All corporate taxpayers and individual businesses above threshold must issue e-Tax invoices via NTS or intermediaries. Threshold lowered repeatedly.
// Phased rollout
- 01 Jan 2011 · liveCorporate mandateAll corporate taxpayers.
- 01 Jan 2012 · liveIndividual ≥ KRW 1bnInitial individual threshold.
- 01 Jul 2024 · liveThreshold ≥ KRW 100mCurrent threshold for individual taxpayers.
// Penalties
1-2% of supply value for non-issuance; reduced after correction.
// What you have to do
- Confirm which of your flows are in scopeB2B is mandatory, B2G is mandatory, B2C is mandatory.
- Emit e-Tax Invoice (XML)Your ERP must produce this syntax, not a PDF or a print stream.
- Connect via NTS Hometax or Authorised intermediariesThis is the channel, separate from the format. Most projects underestimate it.
- Plan for the Clearance modelThe regulator validates before the invoice is legally issued, so a rejection blocks the sale. Build the rejection path first.
- Retain for 5 yearsArchive the structured original, not a rendering of it.
- Understand the exposure1-2% of supply value for non-issuance; reduced after correction.
// ERP implementation notes
SAP S/4HANA (incl. DRC) & SAP ECC
SAP DRC South Korea: KR_INVOICE; NTS Hometax submission via SAP CPI.
// Frequently asked questions
When does South Korea e-invoicing become mandatory?
See the phased rollout section above for the full schedule. The South Korea mandate is administered by NTS (National Tax Service).
What schema does South Korea use for e-invoicing?
South Korea uses e-Tax Invoice (XML). Transmission: NTS Hometax, Authorised intermediaries.
Which ERPs support South Korea e-invoicing today?
See the ERP implementation notes section above. Cloudare implements e-invoicing on Oracle Fusion, Oracle EBS, NetSuite, SAP, MS Dynamics, Zoho, Odoo, Sage, QuickBooks, and Tally — each with country-specific guidance.
What is the archive retention period for South Korea e-invoices?
5 years from end of tax period.