non Japanese documents for real estate registration.

When you get the real estate in Japan, you will register your name and address in the data base which Japanese governmnet control.

If you are Japanese, you can prepare all the documents in Japanese. But in case, non Japanese who does not live in Japan, get a real estate, some kind of documents, such as certificate of address, will not be in Japanese. 

Like this case, you can subit non Japanese documents with transration in Japanese. Even if the document is in English, you need to follow this process.