Business reg. no.s formatted exactly as South Korea's tax authority issues them, so they pass field-level format validation in your app. Synthetic — not registered to anyone.
208-51-84377| Browser | sampuli.site — pick South Korea, generate, export CSV/JSON |
| REST API | curl https://sampuli.site/api/v1/kr/tax?n=25 |
| npm | npx @sampuli/data kr.tax |
| Node | import { generate } from '@sampuli/data'; generate('kr.tax') |