Fontworks Inc. (hereinafter "Fontworks") has completed the application for registration as a qualified invoice issuer for the qualified invoice storage method (commonly known as the invoice system) that will be enforced from October 2023.
Fontworks' eligible billing business registration number is as follows.

T7290001010129​
Registration date: October 1, 2023

You can also check the above registration number on the website of the National Tax Agency's qualified invoice issuers.
Fontworks Inc. Information: National Tax Agency Invoice System Eligible Invoice Issuing Business Website
again, Fontworks company profile page You can also check from