Mandatory registration under Korea's Electronic Commerce Act for anyone selling goods/services online or by phone. Registered with the local city/county/district office.
Who must register
- Internet shopping malls - Consumer-facing SaaS / subscriptions - Includes phone and door-to-door sales - Simplified-taxation individual businesses under KRW 48M/year may be exempt
Required documents
- Business registration certificate - Hosting service confirmation - Mail-order business registration form
Required disclosures
After registration, publish on your site (footer or Legal page): - Company name, representative, business registration number - Mail-order business registration number - Address, phone, email - Data protection officer
Practical tips
- Cafe24 and Imweb provide automatic registration support - For B2B SaaS, the classification as "mail-order" can be ambiguous — consult a lawyer or tax accountant - You must display your mail-order registration number on the Legal page