The invoice system started in October 2023. This is a rubber stamp for notifying your clients of your 13-digit invoice registration number. You can continue to use your current invoices without wasting them. ① Font: Mincho, Gothic ※ The sample image shows the Mincho font. ② Size: 4cm, 5cm, 6cm width ③ With registration number text or number only All types are 600 yen each, including shipping. We will make them to order, so please contact us in the comments. We can accommodate various other formats. ※ For example, adding the invoice registration number to the bottom of a rubber stamp with your address and company name. We can also create stamps for purposes other than the invoice registration number. 4cm width → Approximately 8 kanji characters, 5cm width → Approximately 10 kanji characters, 6cm width → Approximately 12 kanji characters