According to these laws, "The one who reports the death, who either lives with or is a relative of the deceased, must submit a death certificate or autopsy certificate to the local government office where they reside within seven days of finding out about the person's death (within three months if the person is abroad)."〔【出典】『日本人との結婚』(水瓜博子著)◆【出版社】株式会社ヤック企画 〕"YA18-172", "2233866"
When a physician makes a false entry in a medical certificate, an autopsy report or a death certificate to be submitted to a public office, imprisonment without work for not more than 3 years or a fine of not more than 300,000 yen shall be imposed.〔【出典】日本法令外国語訳データベースシステム 〕