If she ( person who is going to open stock company in Japan ) files registration of incorporating a joint stock company with regional legal affairs bureau, she needs to know about jurisdiction of each legal affairs bureau.
In the case, she incorporates a joint stock company in Minato ward, Tokyo, she needs to send application form to Tokyo legal affairs bureau Minato branch.
She cannot use foreign language on application form for registration.
When she files application form for registration with legal affairs bureau, she needs to submit necessary documents.
She needs to paste revenue stamp = shunyu inshi of at least 150,000 yen.
And when she files application form for registration with legal affairs bureau, she can submit self addressed envelope.
Because, when the registration procedure is completed, original document ( For example, agreement papers, certified copy of seal impression etc ) is reimbursed from legal affairs bureau by post.
( She needs to paste stamp for registered mail. )