In brief The Ministry of Justice and the Ministry of Internal Affairs and Communications have recently approached certain foreign companies (in particular tech companies) and issued notices requiring that the company make a registration in Japan under the Companies Act. In this article, we comment on this issue and provide our perspectives on the Japanese Companies Act, tax and other related laws and regulations such as the Telecommunications Business Act. Although registration as a foreign company under the Companies Act itself is fairly straightforward, registered companies are subject to certain continuous obligations under the Companies Act, such as publication of financial statements and updating their registration. Registration may also have…