---
title: "My Number, GBizID, e-Tax, and electronic signatures — general overview"
url: https://memocore.ai/memos/6a5f62cd63d783ad68709373
project: "Doing Business in Japan"
tags: "japan-business, seals-and-documents"
updated_at: "2026-07-21T12:15:09.882Z"
---

# My Number, GBizID, e-Tax, and electronic signatures — general overview

Dealing with Japan's electronic government services (e-Tax, GBizID, the electronic signature via My Number/JPKI) comes with a number of technical quirks and known bugs. The topic covers obtaining an electronic signature, e-Tax requirements and known technical issues, GBizID registration, My Number registration for employees, and company documents issued after incorporation. See: Digital government services — e-Tax, GBizID, My Number, and post-registration company documents.