A visa is necessary to establish legal status to work in Japan and without one, foreign nationals are generally not permitted to earn income in Japan. However, there is no general “working visa” in Japan; rather the term is a catch all for a variety of different employment based visas. Employment based visas that allow a foreign national to work in Japan are separated into specific categories such as “teacher,” “engineer” or “specialist in humanities.” These specific visas allow their holders to work in Japan but also limit them to the specific fields of employment designated by the visa.