Issuing tax invoice is essential parts when you do business in Korea.
Not onlt it's mandatory to issue by Korean tax law, but it's also important to your clients. Your clients can get VAT refund as you issue tax invoice.
For foreigner & foreign company because of it's complation of regulation and language barrier,
It could be hard to issue on time.
G-tax can issue to your clients tax invoice.
1. Issue tax inovoice
2. Correct issued tax invoice
3. Provide tax invoice list issued
Certified tax accountant of Gahyun-tax